Mantle's Cave is located in Dinosaur National Monument in northwestern Colorado, just south of the Yampa River. It is a large, vaulted, north-facing cave 100 m long x 40 m wide x 33 m in height, ...

The Cave of the Winds Mountain Park in Colorado is home to the "Terror-dactyl" - a thrill ride that launches you 200 feet into a canyon. You reach speeds of 100 mph on the ride and you free fall ...

COLORADO SPRINGS, Colo ... Soon, our group of about 10 would descend deep into the caverns of the Cave of the Winds, set to put our bodies and minds to the test as we squirmed and crawled ...