The oldest operating pharmacy in the world features 800-year-old recipes.

The final resting place to 300 Victorian-era pets hides inside the city park.

An eccentric inventor's castle home with its own indoor weather system.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

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

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

Most famous work of one of Frank Lloyd Wright's sons.

An incarceration museum on the spot of possibly the oldest prison in England.

Despite the ever pressing encroachment of urban sprawl this grand New Orleans manse still stands.

Australian Lake set aglow by Noctiluca Scintillans.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

Walk through Czech history in Prague's largest graveyard.

The glowing blue Nymphaeum of Emperor Tiberius.

An antiquated German apothecary on Chicago's North Side.

Venice's "Island of the Mad."

An extraordinary mixture of natural beauty and man-made phenomena.

A science teacher's dream.

Walk in the footsteps of the gods and straddle two tectonic plates.