Meramec's 150,000 annual visitors can expect to see an ancient limestone Wine Table (which they call the "world's rarest cave structure") and a seven-story "mansion" built underground. Custer ...

A new study provides detailed insights into the embryogenesis and eye development of the cave-dwelling spider Tegenaria ...

Both caves are complex but differ in length and structure. Double Bopper Cave, >60 km (37 mi) long, is variable with narrow passages. Leandras Cave, 24 km (15 mi) long, has wide, open passages. We ...