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Home » United States Museums » Science Museum of Minnesota in Minnesota, USA

Science Museum of Minnesota in Minnesota, USA

    Official NameScience Museum of Minnesota
    Museum TypeScience museum, natural history museum, research center, and education institution
    Founded1907, originally as the St. Paul Institute of Science and Letters
    Current Riverfront BuildingOpened in 1999
    Address120 W. Kellogg Boulevard, St. Paul, MN 55102, USA
    Permanent CollectionApproximately 2 million objects and specimens
    Collection FieldsAnthropology, biology, and paleontology
    Main Visitor HighlightsDinosaurs and Fossils Gallery, Experiment Gallery, Human Body Gallery, Mississippi River Gallery, Collectors’ Corner, Science Live, and the Omnitheater
    Omnitheater90-foot domed screen; one show is included with general admission
    Regular HoursSunday–Thursday: 10 a.m.–5 p.m.; Friday–Saturday: 10 a.m.–8 p.m.
    General AdmissionAdults ages 18+: $34.95; youth ages 4–17: $24.95; children under 4: free
    Access AdmissionGreat Tix income-based admission: $3 for eligible visitors
    ParkingAttached public ramp entered from Chestnut Street; regular-day rate is usually $15
    Public TransitA few blocks from the Green Line and near several Metro Transit bus routes
    AccessibilityStep-free entrance, elevators, wheelchair-accessible galleries, free loan wheelchairs, sensory resources, and Omnitheater access services
    Phone(651) 221-9444
    Official WebsiteVisit the Science Museum of Minnesota website
    Official Instagram@sciencemuseummn
    Visitor Data NoteHours, prices, and temporary programs were checked for July 30, 2026; confirm them before traveling.

    Set above the Mississippi River in downtown St. Paul, the Science Museum of Minnesota combines hands-on galleries with active scientific research. Visitors can move from an 80-foot Diplodocus and Ice Age fossils to electrical circuits, human biology, river ecology, live demonstrations, and a giant-screen film without leaving the building.

    This is not a museum where every object sits behind glass. Many areas invite you to test, move, compare, trade, and observe. Just as important, the public galleries represent only a small part of the institution: its staff care for about 2 million objects and specimens used in research, education, exhibitions, and loans.

    A Museum Built Around Real Scientific Work

    The museum’s permanent collection is divided among anthropology, biology, and paleontology. These holdings range from cultural materials and archaeological records to birds, mammals, insects, aquatic invertebrates, plants, and fossils. The collection is not simply a storehouse; researchers use it to track how environments, species, and human communities have changed over time.

    The biology collection contains more than 170,000 specimens, including roughly 50,000 mammal specimens, 40,000 pinned insects and other arthropods, and about 80,000 aquatic invertebrates. Paleontology adds more than 100,000 specimens, from pollen spores and Minnesota’s Paleozoic fossils to dinosaurs, ancient reptiles, and Ice Age mammals.

    That research connection changes the feel of a visit. A fossil display is not treated as a finished story. It becomes evidence—something that can be cataloged, compared, dated, reexamined, and linked to fieldwork in Minnesota, Montana, Wyoming, North Dakota, and the St. Croix River Valley.

    Collection Evidence

    Collection Scale
    Approximately 2 million objects spanning Earth’s history and human experience.

    Research Fields
    Anthropology, biology, paleontology, freshwater science, archaeology, and conservation.

    Public Access
    Selected records can be searched through the museum’s online collection database.

    Where River Science Meets Fossil Time

    The museum’s location is part of its subject matter. The Mississippi River Gallery follows the river from its small northern beginnings through changing weather, ecosystems, navigation, and human use. Visitors can work with water and weather experiments, examine river life, try navigating a barge, and see a real towboat on the balcony.

    Several levels away, the Dinosaurs and Fossils Gallery stretches the timeline much farther back. Mounted skeletons include Diplodocus, Triceratops, Allosaurus, and Camptosaurus. Cast skeletons add Stegosaurus, Massospondylus, Dromaeosaurus, and Bambiraptor, while actual skeletons of Mosasaurus and the giant fish Xiphactinus introduce prehistoric marine life.

    One local fossil deserves a second look: Castoroides ohioensis, the giant beaver adopted as Minnesota’s state fossil in 2025. The Ice Age specimen on display was found in St. Paul. It gives the gallery a distinctly Minnesota thread rather than presenting paleontology as something that happened only in distant deserts.

    The Wannagan Creek display takes another regional turn. It reconstructs a North Dakota environment from about 60 million years ago, with plants, fish, reptiles, mammals, birds, and other life represented through fossils collected and studied by museum teams.

    What to See Across the Main Exhibit Levels

    Level 3: Fossils, Motion, and Experiments

    Start with Dinosaurs and Fossils, then move into the Experiment Gallery, Math Moves, and Sportsology. This level works well for visitors who learn by touching controls, changing variables, and seeing an immediate result.

    Level 4: The Human Body and Evidence

    The Human Body Gallery explores organs, tissues, digestion, circulation, health, and development. Weighing the Evidence examines how claims can be tested, making this level useful for older children, teens, and adults who enjoy asking, “How do we know?”

    Level 5: River Science and the Omnitheater

    The Mississippi River Gallery, Collectors’ Corner, museum entrance, store, dining areas, and Omnitheater access are centered here. It is a practical place to pause before a reserved film time.

    Collectors’ Corner is easy to underestimate. Visitors may bring eligible natural objects—such as rocks, crystals, leaves, or petals—and earn points based partly on what they know about the object. Those points can be exchanged for other natural items. It turns collecting into a lesson in observation, identification, and explanation, not just possession.

    The Omnitheater Is Part of the Ticket

    The William L. McKnight-3M Omnitheater uses a 90-foot domed screen that fills much of the viewer’s field of vision. Films commonly focus on space, geology, wildlife, physics, and natural systems. General admission includes one show, so selecting a screening time should be part of the visit plan rather than an afterthought.

    Reserve the included screening when booking, especially on weekends or school-break days. Additional movies may be available for a separate fee. The theater also offers written scripts, amplified audio units, audio description for most films, wheelchair and companion seating, and an accessible entrance arranged through staff.

    A 2022 Digistar 7 projection system expanded the theater beyond recorded films. It supports digital astronomy content and live programs such as Stellar Tours, where the dome can function more like a shared observatory than a standard cinema.

    Science Live Turns Experiments Into Performance

    The museum established its live theater program in 1971, creating the first permanent acting company in a United States museum. More than 50 years later, Science Live performers still use demonstrations, storytelling, and audience participation to explain physics, chemistry, biology, and paleontology.

    More than 125,000 visitors attend a Science Live show in a typical year. The scale is playful but very real: one recorded year included 771 buckets of liquid nitrogen, 359 fire tornadoes, 1,123 water balloons dropped from the atrium ledge, and 180 bottle rockets. Show schedules vary, so check the day’s program after arriving.

    From a 1907 Institute to the Mississippi Riverfront

    1907 — The Institution Begins

    The museum opens as the St. Paul Institute of Science and Letters, offering public learning in science and practical subjects.

    1927 — A Move to Merriam Mansion

    The institute moves into Merriam Mansion, where it remains until 1964.

    1959 — A Complete Triceratops

    The museum becomes one of only four museums then known to display a complete Triceratops skeleton.

    1978 — The Omnitheater Opens

    The domed theater opens as the second IMAX dome theater in the world.

    1999 — The Riverfront Building Opens

    The museum moves into its present facility beside the Mississippi River in downtown St. Paul.

    2003 — Science House Is Completed

    The museum completes Science House, a net-zero energy building designed to generate as much energy as it uses over a year.

    2022 — Digital Dome Technology Arrives

    A Digistar 7 system adds a digital astronomy atlas, a STEM media library, and tools for original live dome presentations.

    Planning a Visit Without Rushing

    There is no fixed visit length. A focused visitor can explore selected galleries in an hour or two, while families who use the interactive stations, attend Science Live, eat on site, and watch an Omnitheater film may stay for much of the day. A half-day plan gives most first-time visitors room to explore without racing between levels.

    • Choose the Omnitheater time first. Build the gallery route around the screening.
    • Begin with the highest-priority gallery. Dinosaur fans should go to Level 3 before energy fades.
    • Leave time for hands-on stations. Experiment Gallery, Sportsology, and Math Moves work poorly when treated as walk-through displays.
    • Use the level maps. The building contains several galleries, dining spaces, a theater, balconies, and an attached parking ramp.
    • Check downtown event parking. Ramp prices can rise during games, concerts, and other large events.

    The attached ramp normally costs $15 per day, though downtown event rates can reach $25–$30. The ramp entrance is on Chestnut Street. Sixteen accessible parking spaces are available, and free electric-vehicle charging is offered on Level P6 through the ChargePoint system.

    Public transit can be simpler during busy downtown events. The museum is a few blocks from the Green Line and near several bus routes. Bike racks stand near the Kellogg Boulevard entrance and the Education entrance.

    Two dining areas operate inside the museum, and visitors may bring their own food. Lockers in the lobby cost about $2–$3 and use credit-card payment. Re-entry is allowed on the same day when you keep the ticket barcode.

    Summer 2026 Program Note

    The outdoor Our Backyard experience is scheduled through September 6, 2026. Nature All Around Us is scheduled to open August 7, 2026. Temporary exhibits and film lineups change, so confirm the official “What’s Here” page before setting a date.

    Accessibility and Sensory Support

    The main entrance has automatic doors and no exterior or interior steps. Elevators serve every level, and galleries are wheelchair and stroller accessible. Visitors may borrow a wheelchair at no cost from the lobby desk.

    Sensory resources include sound-dampening headphones, timers, fidgets, gloves, and sunglasses. The museum also provides a sensory visitor guide and social narratives. On the first Sunday of each month, Sensory Friendly Sunday includes a lights-up, sound-down Omnitheater show at 10 a.m.

    Many displays use hands-on elements and captioning. Several exhibits include English and Spanish text. Sign-language interpreters can be arranged with advance notice, while working personal care attendants receive free admission when accompanying a client.

    Who Is the Science Museum of Minnesota Best Suited For?

    Families With School-Age Children

    Best fit: Children who enjoy dinosaurs, experiments, sports, water, weather, collecting, and large-format films can move between subjects without losing momentum.

    Adults Who Prefer Active Museums

    Also a good fit: The collection history, medical-evidence displays, river science, fossil research, and Omnitheater offer more depth than a children-only attraction.

    Fossil and Natural History Enthusiasts

    Allow extra time: The dinosaur mounts are only the starting point. Smaller fossils, regional Ice Age specimens, Wannagan Creek material, and collection details reward careful viewing.

    Visitors With Sensory or Mobility Needs

    Plan around available services: Step-free entry, elevators, wheelchairs, sensory kits, theater access tools, and quieter first-Sunday programming can make the day easier.

    Travelers With Limited Time

    Choose two priorities: Pair Dinosaurs and Fossils with either the Mississippi River Gallery or an Omnitheater show rather than trying to cover every station.

    Museums Near the Science Museum of Minnesota

    Downtown St. Paul makes it possible to pair science with play, art, or state history. The distances below are approximate downtown travel distances; street closures, weather, construction, and the chosen entrance can change the route.

    Nearby MuseumApproximate DistanceMain FocusWhy Pair It With the Science Museum
    Minnesota Children’s MuseumAbout 0.4 milePlay-based learning for young childrenA useful second stop for families whose younger children want more climbing, pretend play, and open-ended activity.
    Minnesota Museum of American ArtAbout 0.5 mileAmerican art with strong Minnesota and Upper Midwest connectionsAdds a quieter art-focused visit and currently offers free admission.
    Minnesota History CenterAbout 0.6 mileMinnesota history, archives, and changing exhibitionsExtends the regional story from geology and river systems into the people, places, and events of the state.
    Alexander Ramsey HouseAbout 0.4 mileA preserved 19th-century historic houseOffers a smaller, guided historic-house experience near the West Seventh and Irvine Park area.
    James J. Hill HouseAbout 1.3 milesArchitecture, domestic history, and a 36,000-square-foot historic mansionWorks well for visitors who want to add architecture and a guided tour to a day centered on science.