The only theatre in the world constructed specifically for sound movement.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

Beyond being incredibly fun, not much can be said about the Hole with certitude.

This abandoned amusement park was built on a site with a dark history.

An abandoned stretch of highway, deteriorating next to the operational one.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The world's only museum devoted to the wonders of fluorescence.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

The first declared National Monument in the United States.

Site of a former hidden treehouse in New Orleans.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A trash dump made beautiful by nature's power.

Monasteries on rock pillars, once accessible only by frayed ropes.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Two stunning 17th-century libraries and a cabinet of curiosities.

A snapshot of the city's fascinating voodoo culture.

This structure among the trees was the result of divine inspiration.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A battle between nature and architecture in the Cambodian jungle.

An island filled with hundreds of hanging, decomposing, decapitated dolls.