This former factory has been transformed into a technicolor wonderland, where dozens of local artists have collaborated to create a real choose-your-own-adventure experience.

A luxuriant botanical garden below sea level.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

Oldest unrestored plantation house in America that is open to the public.

This stone complex marks the urban center of a lost civilization.

Tucked behind the Institute of Neurological Science down a decrepit street resides the largest display of human brains in Latin America.

A market for witches is hidden within a train station.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

Tucked away inside a historic Savannah hotel is a hundred-year history presented in ladies' lids.

A charming Spanish village sits atop this natural limestone overpass.

A living art gallery painted on a canvas of Monterey pine trees.

Indents in the pavement are all that remain from a grisly death machine in Paris.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

A magical expanse of colorful street murals lies hidden within the quiet neighborhood.

An absolutely beautiful 200-foot stained glass installation traces the evolution of knowledge.

Largest collection of mounted dinosaur specimens in the world.

This granite monument at the site of an ill-conceived tourist attraction is built from the same stone as the Mormon Temple.

The subtle science of a master molecular gastronomist.

A century-old network of freight tunnels underneath the city's historic business district.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

A hidden subterranean installation offers a view of the sky.