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

A recreation of an Old West apothecary full of curios.

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

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

The largest self-built castle in the U.S., six decades in the making.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

A classic mystery spot complete with spots that are said to make you shrink or grow when you stand on them.

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

A scenic ravine with an astounding collection of rock art created by the Indigenous people of the Great Plains.

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

Mining town from the late 1890s, once home to Calamity Jane.

This amazingly preserved Gold Rush town is a historian's dream.

Tiny pyrophyllite spheres from 3 billion years ago.

Fascinating collection of Khoisan rock engravings, still situated in their original setting.

Hidden in the hills is a mysterious stone structure, known only to a few.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

A South African bar inside a hollowed out 6,000-year-old Baobab.

Belly up to the bar in Cowtown, don't forget to buy some boots.

The 40-foot-tall votive candle is the largest of its kind.

Three hundred years of preserved Spanish colonial history in San Antonio.

Over 100 million years ago, beach-bound dinosaurs left permanent marks on San Antonio's landscape.

Twenty churches beautifully painted by 19th-century Czech and German immigrants in Texas.