This is one really big nut.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

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

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

Elaborate tile work in this railway station tells the story of Portugal.

Ancient catacombs form the foundation for this Rococo orgy of a church.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

This former mining town was named the most toxic town in America.

Where hills of dirt conceal the burial ground of one of the most powerful ancient Native American societies.

An oil baron's wild paradise and the winner of an ill-fated air race.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

An acoustic anomaly with a mysterious cause.

This little slice of old Jerusalem in Oklahoma is the evolution of a 90 year old passion play.

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

A funhouse dummy that turned out to be a real life mummy, Elmer McCurdy is an urban legend come true.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

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

Celebrate the history of the rich and truly misunderstood relationship between man and pigeon.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

One man’s passion for gas stations is on display along the Rio Grande in northern New Mexico.

A unique geological area spiked with wind-carved rocks that resemble teepees.

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