Hundreds of skulls and bones at the largest skeleton museum in the country.

A haunted hill that supposedly defied gravity.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

The decaying ruins of Wales' first asylum for the mentally ill.

An abandoned asylum where patients have been forgotten but their possessions remain.

Historic poems about the noble act of defecating have been preserved on the wall of this old convent.

An incredible little museum of interior design full of artifacts collected from around the world.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

Discarded animal sculptures stand forgotten by an abandoned aquarium and water park in Bosque de Chapultepec.

Diego Rivera hid various people and symbols in his first large-scale mural project.

Mexico's first public cable car soars over the congested streets outside Mexico City.

A quirky and charming restaurant founded by artists.

Mexico City's largest market contains a Willy Wonka-esque wonderland.

Where layer cakes tower above one’s head and there is never a shortage of icing.

Psychedelic murals coat the inside of a nondescript research library.

This "City of Books" holds a museum, library, and the complete personal book collections of five of Mexico's greatest thinkers.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

The burial place of some of Mexico's most prominent residents is full of macabre stories and hidden masonic symbols.