Who is this marble man, perpetually creeping up the steps of his own mausoleum?

A psychedelic labyrinth on the San Francisco bay.

A little known Colombian theme park of giant curiosities.

A hollow cement depiction of time's inexorable effect on the human body.

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

The world's only known button museum.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

Two awe-inspiring globes from the reign of the Sun King hang from the ceiling of France's national library.

An enormous park-like oasis, full of famous Chicagoans' graves.

Rotting dome home spotted near Chapel Hill, North Carolina.

A piece of outsider public art accompanied by a strange urban legend.

A psychological self-portrait in the form of a giant, segmented head.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

A science teacher's dream.

An otherworldly restaurant perched on the edge of a jagged cliff next to a medieval holy city.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

An acoustic anomaly with a mysterious cause.

The ancient settlement attracts tourists from all over looking to learn about the Chinese vision of the afterlife.

Thirty creepy ghosts now inhabit this decaying 14th-century church.

A peat bog in southern Sweden provides a cozy and photogenic home for junked Volvos, Saabs, and the occasional American muscle car.

Where manatees are the snowbird vacationers in these balmy Florida springs.

Ripped apart by a bomb in 1993, the shell of Pablo Escobar's infamous vacation house still stands.

The entire length of the border is marked by a 20-foot-wide slash through the trees.