Who it's for
All ages
Wonder World Cave & Adventure Park
Published June 2026. Editorial oversight by James Morgan. AI-assisted, human-edited. Our editorial standards
About Wonder World Cave & Adventure Park
Descend into the only earthquake-formed show cave open to the public in the US.
Open since 1894, Wonder World was the first commercially opened show cave in Texas, centered on the only earthquake-formed cave in the nation open to the public.
What you'll see and do - Take a guided tour of the Balcones Fault Line Cave past towering rock formations, crystal pools, and ancient fossils - Lose your bearings in the Anti-Gravity House, where floors turn into walls - Ride the train through the waterfalls of Mystery Mountain - Meet and feed deer, goats, and other critters at the Texas Wildlife Petting Park
Attraction Details
Opening Times
- Monday10 AM to 6 PM
- Tuesday10 AM to 6 PM
- Wednesday10 AM to 6 PM
- Thursday10 AM to 6 PM
- Friday10 AM to 6 PM
- Saturday10 AM to 7 PM
- Sunday10 AM to 6 PM
Events at Wonder World Cave & Adventure Park
SANTA & THE GRINCH EVENT
December 20, 2025
Enjoy donuts with Santa, entertainment from The Grinch, a holiday craft, letters to Santa, and a train ride through the wildlife park.
Plan Your Visit
Family-tested advice for a smoother day at Wonder World Cave & Adventure Park.
Getting there
Wonder World Cave & Adventure Park is at 1000 Prospect St, San Marcos, TX 78666. Check the operator's site for parking and transit options.
Pro tip
Pack snacks, refillable water bottles and a portable charger to keep the day running smoothly.
Directions
Wonder World Cave & Adventure Park
1000 Prospect St, San Marcos, TX 78666
This attraction has been claimed and verified.
Last updated 6/23/2026
Wonder World Cave & Adventure Park Reviews
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