A hot dog stand where the heads are just as hot as the dogs.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

An antiquated German apothecary on Chicago's North Side.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

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

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

This landmark of the Chicago silent film industry may not be in the picture business anymore but it still stands proudly.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

"Holy Wisdom" overlooks the city that became its namesake.

A striking symbol of the Bulgarian capital.

An ancient octagonal weather station named for the eight Greek gods of wind.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

This floating sculpture of ice is a poignant reminder of nature's power.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

Famously misunderstood wonder of the ancient world

An artist's mausoleum with a haunting echo.

In the ruins of Glastonbury Abbey lies the alleged resting place of the legendary king.

A dark Victorian well house now plays host to mystical waters and pagan shrines.

Fascinating town where normal life interfaces with the occult.