An improbable waterfall springs from an orange-white cliff face, tumbling into the headwaters of the Virgin River above Zion National Park.

A dazzling display of red rocks weathered into spires and hoodoos.

What's a diner from the 1939 World's Fair doing in a remote Utah mountain town?

A breathtaking 19th-century trail overlooks Lake Tahoe.

An enormous illuminated figure dances on the Las Vegas strip.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

The fifth-longest natural arch in the world, and the longest outside China.

This marker identifies the location where three states converge.

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

A mental health hospital dating back more than 139 years, now features a museum.

This naturally-sourced hot spring is now home to a clothing-optional resort.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A miraculous natural phenomenon known as "the spring that breathes."

The only retired U.S. nuclear missile silo that is open to the public.

Home to Hollywood history and a very special salt crystal.

The first "Hut" was actually a small brick building.

A rainbow-colored house promotes LGBTQ rights across the street from the Westboro Baptist Church.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

Once known as the Illinois Asylum for the Incurable Insane.

A century-old network of freight tunnels underneath the city's historic business district.

An abandoned meat mecca now serves as an excellent locale for urban exploration.

A Museum of Holography frozen in 1974.