A beautiful geyser under environmental threat.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

The only road through the heart of Glacier National Park.

Boise State's stadium was the first non-green football field in the world.

See just what life was like in a 19th-century prospecting town.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

This black shoreline is made up of exploded lava particles.

The current Eureka County Courthouse replaced an all-wooden structure that had previously been an ice-skating rink.

Bill Murray bowled three straight strikes here at Reno's "Taj Mahal of Tenpins."

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

These once-beautiful historic graveyards are set against the barren Virginia City hills.

Singing sand that stands as the final remains of an ancient lake.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

This replica of the Greek structure is in the heart of Nashville.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A lion given to the prime minister somehow got stuffed and sent to Florida.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

A colorful square marks the heart of the city's LGBTQ community.

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

An underground magnet for ever-changing street art.

A bizarre roadside attraction and the first instance of miniature golf in the world.