A trash dump made beautiful by nature's power.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

A bizarre house filled with an astounding array of collections.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A castle inspired by medieval architecture is hidden in the woods of Connecticut.

This tower pays homage to a legendary Viking fort established in Massachusetts that never really existed.

Home to New Mexico's longest bar, this watering hole also has a mining museum and a haunted history.

A little slice of Florida face-in-a-hole kitsch, unexpectedly located in a small New Mexico town.

A free public golf course hides in plain sight in the heart of Scotland’s capital.

This comprehensive collection features Native American artifacts dating back centuries.

This triumphal arch is the only fully standing structure that remains from Roman-era Oea.

The remains of an anti-aircraft battery from World War II look out over Glasgow.

A relief that wraps around the concourse of Los Angeles's World Trade Center marks one of the city's failed urban design plans.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

One of America's oldest private membership libraries was long one of New Haven's best kept secrets.

Outsider Art Community.

The graffiti-covered ruins of an abandoned trading post in the middle of Navajo Nation.

This oasis-like spring in the Sonoran Desert is home to unique, endangered species.

A mass grave for victims of an airline disaster that led to much-needed safety improvements for commercial flights.

This small, unassuming street is now a canvas for color and creativity.

The remnants of a creative early method of wildfire prevention.

The lost ruins of the forgotten ferry lie hidden beneath the silt.

Hidden on a cattle ranch in Arizona, this bookstore has been celebrating Southwest literature for more than 40 years.