Bestseller

Cosmos Mystery Area Admission

4.57

4.6(223 reviews)

40 minutes

English

Mobile ticket

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Overview

Available languages

English

40 minutes

Mobile ticket

Located amongst the beautiful Black Hills of South Dakota, the Cosmos Mystery Area is a unique, family friendly attraction. Guests can enjoy a 30 minute tour that displays how mystery, comedy, and science collide as they participate in hands-on experiments and educational entertainment.

Additional Info

Suitable for all physical fitness levels

Not wheelchair or stroller accessible

What To Expect

Cosmos Mystery Area

The mystery house located within the Cosmos of the Black Hills was discovered in 1952 by two college students who were looking for the perfect place to build a summer cabin. Here, the laws of logic and physics seem to be turned upside down as you feel a slight unbalance in this crooked old cabin. Admission includes a 30 minute guided, interactive tour where you will be amazed as you see water run uphill, can stand on a wall, and see other incredible optical illusions. The tour consists of various demonstrations that are designed to boggle the mind. Located just minutes from Rapid City and Mount Rushmore, The Cosmos is sure to astonish and amaze the mind.

Admission Included

Options

Mystery House Tour

What‘s Included

Local guide

Food and drinks

Hotel pickup and drop-off

Transportation to/from attractions

Meeting points

Cosmos Mystery Area

24040 Cosmos Rd, Rapid City United States

End points

This activity ends back at the meeting point.

Cancellation Policy

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

Reviews

4.57

223 reviews

Total reviews and rating from Viator & Tripadvisor

159

Cosmos is a must do!!
jacdyl,Jun 17, 2026
- Review from Tripadvisor
5.00
What a fun experience. This was one of our favorite things we did. The littles and adults loved it. Inexpensive and fun, what more can you ask for.
Family trip
jessicafB6262ZR,Jun 17, 2026
- Review from Tripadvisor
5.00
Torres was our tour guide, she was hillarious we absolutely loved her energy and jokes. This is the 3rd time I’ve been to cosmos and she’s by far the best tour guide I’ve had. My family and I absolutely adored her!
Fun
sokara78,Jun 15, 2026
- Review from Tripadvisor
4.00
We had a fun time with our teens. The disorienting effects were fun. I don’t know if it’s real or not but it was a good time for us. We also did the geode crack which was worth it.
Good family outing
1VintageMom,Jun 1, 2026
- Review from Tripadvisor
5.00
Great family outing. The Geodes are an added treat if you are not familiar with geology. Adrian was a fun guide.
Trippy
johnlF8093LQ,May 26, 2026
- Review from Tripadvisor
5.00
The visit was fun, trippy, entertaining!
Lots of fun
Navigate568120,May 23, 2026
- Review from Tripadvisor
5.00
Silly and super fun for everyone. Charming tour guides.
Odd and amazing experience!
Nicole H,Apr 22, 2026
- Review from Tripadvisor
5.00
My family and I had an amazing experience at The Cosmos. The tour guide was great and it was an amazingly strange experience. Definitely a highlight of our trip and would visit again if in the area!
Recommended kids over 5
Trek31762412279,Mar 2, 2026
- Review from Tripadvisor
5.00
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
Awesome experience!
Triplethreat143,Oct 4, 2025
- Review from Tripadvisor
5.00
So much fun! Merit did an awesome job explaining everything and making it a magical experience, had fun jokes. Kept good pacing
Fun and would totally recommend
H8702LQangelican,Oct 4, 2025
- Review from Tripadvisor
5.00
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.