An unfinished rail tunnel that has since been used to house cheese and bats.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

Georgia's highest point was given its strange name thanks to a simple translation error.

A white oak with property rights.

These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

A vision of beautiful Hindu architecture in the middle of the American South.

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

Healing Springs that once ran red with soldiers' blood.

This intricate Hindu temple is the largest of its kind outside of India itself and was constructed like a giant puzzle.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

One of the smallest towns in the United States.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

A museum befitting the city responsible for supplying the majority of the world's LSD.

A vast city of the dead, where the deceased outnumber the living by more than a million.

Russian history in San Francisco.

Abortion, prohibition, religion, war, and fear all play a part in the history of this idiosyncratic Pacifica castle.

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

Adobe ruins punctuate the beauty of an 800 foot canyon carved by the Canadian River.

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

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

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.