James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

World's first "penitentiary," meant to be humane, drove men insane.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A monument to the center of the North American continent may be off by a few miles.

A peculiar idol to the Hindu King of Ghosts demands fine leather footwear in exchange for warding off evil.

Located near Cairo's El Korba district, the abandoned mansion continues to inspire mystery and rumor throughout the city.

Some believe that this ancient mural depicts technology far ahead of its time, but in reality it's nothing quite out of place.

Ancient Egyptian relief, claimed to depict an electrical light.

Ozymandias’ time-keeping temple.

This 150 foot seven-tiered cascading waterfall is one of the hidden gems of the White Mountains.

This mysterious church sits discreetly above the Aude countryside, right in the heart of "Grail Country."

The burial grounds of a secret society includes fences topped with fake Tesla balls.

This unique shop is full of memento mori art, antique medical equipment, secret society paraphernalia, and historical relics.

This striking Victorian Home with its 113-foot turret is best known as the site where abolitionist John Brown was executed in 1859.

Louisa May Alcott based “Little Women” on her experiences growing up in this house with her sisters.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

The second-oldest garden cemetery in the U.S. was also a college brainstorm spot of Stephen King.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

This location holds the truth to what truly happened that faithful night.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

Even Henry David Thoreau found this glacial pothole irresistible.