A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

Free public park and gardens filled with peacocks and peahens.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

A Prada store in the West Texas desert that is never open for business.

The Grand Canyon of Texas.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A popular swimming hole that hides one of America's most deadly diving spots.

One part antique store, one part curiosities hodge-podge.

A modernist landscape of water and sci-fi concrete.

This interpretive path lets you get up close and personal with dinosaur bones.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

This museum offers an actual time machine back through Colorado's past.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

The largest source of fossilized insects anywhere.

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

Rather than a run-of-the-mill franchise hotel, this lodging has been decked out in dinosaur decor.