Kids & Family · Cave72 degrees underground in August
Georgetown · Suburbs
Inner Space Cavern
Checked Oct 19, 2026. Something changed? Tell us.
★ 4.7 (7,216) on Google ↗
A living limestone cave discovered by I-35 highway crews in 1963, kept at a steady 72 degrees with lit walking tours, wild-cave crawls, and Ice Age fossils in the entry.
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- Neighborhood
- Georgetown · Suburbs
- Address
- 4200 S I-35 Frontage Rd, Georgetown, TX 78626
- Hours
- Check current hours ↗
- Website
- innerspacecavern.com
- Price
- $
- Best time
- Year-round
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