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

This underwater old Texas hill town only resurfaces during harsh drought.

Crumbling hotel echoes with the sounds of the '30s.

The top of a giant mesa, just outside of Amarillo, appears to float in the sky above.

The Grand Canyon of Texas.

Steep canyon walls hide a forested oasis in the West Texas desert.

A spring-fed pool so deep it's used for scuba diving as well as swimming.

An unusual bed & breakfast made of papercrete.

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

Metal water storage tank turned ethereal concert hall.

When ecosystems collide in the arid Southwest.

A little-known hot spring haven right below the highway.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

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.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

The explorer Captain Cook may have named it White Island, but the Maori call it Te Puia o Whakaari – The Dramatic Volcano.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

Taumatawhakatangihangakoauauo tamateaturipukakapikimaungahoronuku pokaiwhenuakitanatahu.

Some of the clearest water anywhere in the world.

This deadly little sliver of beach has seen hundreds of whales beach themselves over the years.

This strange geological landscape erupts with sudden bursts of water.

An abandoned jewel of a ballroom on the top floor of Australia’s busiest rail station echoes with the sounds of a bygone era.

Fire meets ice at the southernmost volcano on Earth.