An idle pastime becomes a record holder in Boys Town, Nebraska.

This largest dinosaur tracksite in Wyoming is one of the only in the world from the Middle Jurassic Period.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

The world's last remaining store of its kind.

The largest underground pedestrian tunnel system in the U.S. mostly caters to the people working in the offices above, but provides a great, air-conditioned way to traverse the city.

This unique landscape is the only place in the world to dig for hourglass-selenite crystals.

A piece of the iconic wall found an unlikely new home in a Vegas bathroom.

Temporary Burning Man sculpture made of two 18-wheelers.

Fans of vintage Vegas, kitsch, and toy pony-based gambling now flock to a casino called The D.

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

A new kind of theme park for adults off the Las Vegas Strip.

This mostly abandoned shopping outlet is now adorned with beautiful graffiti and murals.

An old railroad grade built for the construction of Hoover Dam is now a recreational trail featuring several tunnels and sweeping views of Lake Mead.

The wild west is still alive and well at this authentic mining town watering hole.

Craggy concrete faces are hidden in the walls of this artificial cave along the San Antonio River.

Happy harbor seals frolic and snooze on this warm, sandy stretch of coast.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

This oversized flute-playing Ancestral Puebloan deity is also a landmark of Southwestern kitsch.

A mysterious and terrifying public art goblin seemingly meant to inspire local legend.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

Home to Hollywood history and a very special salt crystal.

An urban laboratory.

Stroll through a wonderland of stupendous moss-covered trees.