Two massive and unstable sinkholes are yearning to unite, and their consummation could be catastrophic.

An abandoned mine where dreams of quicksilver trickled away over 75 years ago.

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.

Minimalist modern art on a repurposed military base in rural Texas.

This quirky outpost and gallery inside a former church is an unexpected trove of handcrafted art.

Mysterious glowing orbs float through the desert night.

An unusual bed & breakfast made of papercrete.

Remembering the Alamo with a full-scale replica of the 1836 city.

A curious cone-shaped structure made of wire and covered with antlers.

This sacred cavern, 400 feet deep, is home to millions of bats and an ancient burial ground.

An oasis of lilies cultivated by the "Indiana Jones of Water Lilies."

The end of times arrives, at least for the fish in the O.C. Fisher Reservoir.

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

A Bhutanese temple gifted from the isolated Himalayan kingdom is now a surprising cultural gem located at the University of Texas at El Paso.

A Saint Nicholas-themed ghost town in the Mojave desert.

One of the best-preserved ghost towns in Arizona speaks to the difficulties of establishing mining towns in the 19th century American West.

A unique collection of artistic rides

An early 20th-century jail not far from the infamous Tombstone, Arizona.

The damming of the Colorado River buried an iconic geologic formation before record-breaking drought brought it back.

The Grand Canyon’s original airport, which once welcomed pilots like Amelia Earhart and Charles Lindbergh, lies abandoned.

An excursion train traverses a picturesque red-rock canyon along the Verde River.

Crafted in 1911, this steam locomotive spent its entire working life in Flagstaff.

An out of this world experience.