PLEASE NOTE: Our final tour of the day leaves promptly at 6:20PM!!

Buy Tickets Online

Buy your Cosmos Mystery Area tickets securely online in advance of your visit to ensure you get a spot on one of our tours. There is often a long wait during the summer months so don’t miss out!


1. Start by clicking on the date of your visit in one of the calendars below


Mystery House Tours

with optional discount on Geode Mine entrance

mystery house tn

Geode Mine Entrance Ticket

standalone Geode Mine entrance ticket

geode tn

Additional Information

- Tickets are not required to be purchased in advance. They can also be purchased in our Gift Shop on a walk-in basis.
- Tickets for tours listed on the website do not reflect all tours available.
- Online tour tickets must be purchased at least two hours in advance. Tickets for tours within that two-hour time frame are still available as walk-ins.
- Online tickets are purchased for a specific date and time. We are unable to accept online tickets for tour times earlier than what is listed on the purchased tickets.
- If you are late or miss your tour, we will still accept the tickets for a later tour. However, you may be required to wait for an available tour.

Cosmos Mystery Area

24040 Cosmos Road
Rapid City, SD 57702

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