Cosmos Mystery Area: Family-Friendly Science Attraction

Nestled in the stunning Black Hills of South Dakota, the Cosmos Mystery Area offers a distinctive, fun-filled amusement for the whole family. Visitors can relish a half-hour tour showcasing the intersection of mystery, humor, and science through interactive experiments and enlightening amusement.

Duration: 40 minutes
Cancellation: 24 hours
Highlights
  • Cosmos Mystery Area - Discovered in 1952 by two college students searching for an ideal summer cabin location, this mystery house in the Black Hills’ Cosmos offers a unique experience. Here, the usual rules of logic and physics appear to be defied, creating a sense of imbalance in this quirky old cabin.
    Admission includes a 30-minute guided,…
What's Included
  • Local guide
What's Not Included
  • Food and drinks
  • Hotel pickup and drop-off
  • Transportation to/from attractions
Additional Information
  • Not wheelchair or stroller accessible
Location
Cosmos Mystery Area
24040 Cosmos Rd,
Cancellation Policy

For a full refund, cancel at least 24 hours before the scheduled departure time.

Customer Ratings
4.6
(216 Ratings)
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Trek31762412279
Mar 2, 2026
Recommended kids over 5 - Check my four-year-old son there. The guide was absolutely amazing and patient with us. The entire group we had was patient. it was really a great time
Review provided by Tripadvisor
Triplethreat143
Oct 4, 2025
Awesome experience! - So much fun! Merit did an awesome job explaining everything and making it a magical experience, had fun jokes. Kept good pacing
Review provided by Tripadvisor
H8702lqangelican
Oct 4, 2025
Fun and would totally recommend - This was such a fun place. It was worth the admission fee. My kids had so much fun! I would recommend this activity. The girl that helped with the geodes really was so nice and interacted well with the kids. My son said, " She must really like her job" and "she was so nice to help us". The tour guide was very knowledgeable and made some cute jokes for the crowd.
Review provided by Tripadvisor
Williamp639
Sep 1, 2025
A fun place to visit. - This was our 4th visit to the Cosmos and we enjoyed it as much as the first time. Our tour guide, Trig, did a fantastic job of making it very entertaining. Our grandchildren really enjoyed the entire experience. Definitely something to check out if you're in the area.
Review provided by Tripadvisor
Lachandra_b
Aug 30, 2025
Loved this. - Be ready to experience nature's wonders. Kids and kids at heart will surely enjoy this attraction....
Review provided by Viator
Katieod1652wu
Aug 25, 2025
Fun for all ages! - Evan! Such a funny guy and great tour guide! We loved our trip and what a wild place to see. Such a unique experience. The geode was worth it too!
Review provided by Tripadvisor
J3154inbethanyw
Aug 6, 2025
Cosmos is wild! - Love Cosmos! Our tour guide was so fun, and the experience is one of a kind. Will definitely be back when the pull of South Dakota returns!
Review provided by Tripadvisor
406lyndsyp
Jul 23, 2025
Worth the stop - I brought 3 teens and they loved it. It’s a nice quick stop along the way to Mount Rushmore. William, our guide, was great with corny jokes.
Review provided by Tripadvisor
45pujap
Jul 22, 2025
Don't miss this hidden nugget in Rapid City - We had family here from UK and wanted to give them this great experience at the COSMOS as we love this place! Thank you for making this a memorable experience for all of us
Review provided by Tripadvisor
Savannah
Jul 18, 2025
Kind of fun, good rainy day activity - This science defying mystery tour lasts 30 minutes for $10, ok price. Kids and teens would really like it. As a couple we enjoyed it too, our guide Trig was super funny. Not a must see, but on a rainy day it was a great add on to our trip.
Review provided by Tripadvisor