Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A spectacular but little-known slot canyon in extreme northern Nevada, with sheer walls nearly 500 feet high and a perennial stream.

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

An eclectic collection of artifacts from the Wild West is preserved in a remote fictional pioneer town.

This National Natural Landmark is one of the best examples of a “mass wasting” in the world.

When ecosystems collide in the arid Southwest.

This once-popular otherworldly landscape was formed by one of the largest volcanic eruptions in history.

This giant temperature attraction created some giant electric bills.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

The hundreds of movies and television shows shot in this high desert town are commemorated in a unique museum.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

Go surfing on this urban wave, "hacked" by local surfers.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

Subterranean house made out of a grain silo, located in the Santa Cruz Mountains.

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.

Supposedly Satanic numbers adorn this preserved submarine sail.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Home to the deepest rift anywhere on Earth.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.