A beautiful geyser under environmental threat.

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

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

When ecosystems collide in the arid Southwest.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A multi-storied adobe complex has been inhabited for more than a thousand years.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A museum dedicated to the alleged Roswell Incident.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

A sprawling collection of over 106,000 toys from around the world.

A geological mystery on Camelback Mountain.

A spiritual vortex among the red rocks in Sedona.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

See massive fossils that are over 200 million years old in northeastern Arizona.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

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

Even in death, he's still your huckleberry.

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

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

Relics of Australia's convict past, and a modern scene of unimaginable horror.

Highly spherical boulders on the shores of New Zealand.

Hundreds of bras, blowing in the wind.