A tiny but mighty little pumper sits in the middle of the street, waiting for the next big oil strike.

A city park that sits on top of a freeway.

A symbol of Texas pride.

Only hotel where you can legally launder money.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.

Considered by many to be one of the most dangerous highways in Alaska.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Clean, cold drinking water flows from a nondescript pipe in a roadside rock face.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

A pair of giant legs paying homage to a poem, a king, and it would seem, socks.

No one knows exactly how deep the world’s deepest geothermal hot spring is.

A tribute to the Nirvana frontman hides beneath the bridge that was the singer's beloved hangout spot.

From overly ambitious (and eventually abandoned) atomic dream to bustling office park.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

The four tall pillars once marked the entrance of the historic Seattle church that fought for women's suffrage and civil rights.

This working class sculpture pounds his hammer all the livelong day.

A wall of chewing gum moonlights as collective art.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

A giant sculpture dedicated to a staple of South Bend food culture.

This super-sized skillet is a replica of a usable giant pan where a woman once skated on bacon.

Site of the 1926 murder trial of Ernest Burkhart who was involved in the "Reign of Terror."