First LEED-certified gas station in the United States.

The illuminating collection of L.A. street lights is run by the city and only opens one day per month.

Hidden above a drug store on a nondescript corner of Lincoln Heights is a private clubhouse for intrepid explorers.

One man's homage to the sun continues to grow like a glass fractal.

A self-made museum in Queens, New York continues to display the work of a sculptor known for paving his own way.

One of the oldest Jewish cemeteries in the city, it is now overgrown with an urban forest.

A hyper-luxurious, 12,000- square foot home might be buried beneath Queens, still waiting to protect you from nuclear missiles.

The capital of Cambodia is named after the hill on which this ancient temple complex stands.

Outsider art meets paleontology at this roadside reptile repository.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

One street divides a single town that stands in two U.S. states.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

An alternate history park where the Union Army loses the war... to dinosaurs.

The oddly shaped, steam-spewing building is now an art studio and gallery.

An enormous warehouse filled with parade floats collected from over 50 years of patriotic celebrations.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

This statue of a Hindu cosmic dancer at CERN is a metaphor for modern physics.

A Swiss amusement park entirely dedicated to the theory of ancient astronauts.

This unique preservation is one of the only taxidermies in the world made with real whale skin.

The bears of Bern have been a city highlight for over 500 years.

Walk through a restaurant's refrigerator door to reach this hidden bar.

Vines grow up the metal bars in this public park created from an old machine factory.