A beautiful Greco-Roman structure houses a well once believed to have healing powers.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

A 18th century graveyard and its astonishing cortege of macabre iconography.

A former telephone box found new life as a photo booth and charity fundraiser.

According to local lore, this narrow passageway through two large rocks was accidentally created by the devil himself.

A unique museum dedicated to the Gullah-Geechee people, housed within an old oyster cannery.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

An eerie smiling woman looms above the granite tombstones.

More than a century after her death, Little Gracie Watson remains one of Savannah's most often-visited residents.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

Yo, Adrian!

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

The corporeal remains of Napoleon III's dentist rest under this 15-story obelisk.

An old department store turned Nazi prison turned artist commune.

Miles of man-made caves and tunnels are currently used for cultivating mushrooms.

Beautiful carved tunnels.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

Alexander Hamilton’s creation caused quite a bit of controversy.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Hidden behind West Philadelphia rowhomes is a haven for migratory and local bird species both ordinary and rare.

An abandoned convention space that has been left to the homeless and the radical.