Community owned and operated, this property is home to a diverse set of nudists.

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

This 41,000-acre wetland complex is the largest marsh in the interior of the United States.

The holiday spirit lingers year-round in the "Christmas City of the High Plains."

A flat slab of stone perched hundreds of feet above the Gasconade River in the northern Ozark mountains.

This spot in St. Louis, marked with a simple sign, has seen more pro baseball than just about anywhere else in the world.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Built by prisoners of war, the largest small-scale model ever built includes eight miles of tiny streams that now sit abandoned.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

These aggressively sustainable art homes look like something out of 1970's science fiction.

A museum dedicated to the mysterious cryptid.

The site of a defunct mill, that once supplied marble for the construction of the Lincoln Memorial.

Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.

The remains of an early 1900s dude ranch that operated until the 1970s.

The site of the "Bone Wars" between two rival paleontologists during the dinosaur rush of the 19th century.

A lively annual event in which thousands of people race to push coffins heavy with bodies up a hill.