Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A spiritual vortex among the red rocks in Sedona.

This historic national park is covered in the stunning ruins of red rock pueblos.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

Spectacular views await visitors to this lake.

The only road through the heart of Glacier National Park.

An entire town preserved as a historic landmark.

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

A beautiful geyser under environmental threat.

This rustic old building is said to be the most photographed barn in America.

Water of undetermined depth has attracted rare fish and cult leaders alike.

Odd outsider art installations surround a Gold Rush-era ghost town.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

Vermont's hills are alive with the sound of music at this historic hotel.

According to folklore, Vermont's slanted windows were installed to keep witches from flying into the house.

A giant toy jack made of numerous welded-together fire hydrants.