Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Model Trains and Much More in Hamburg.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

3,000 market stands in five former Zeppelin hangars.

Early habitat dioramas and home of the elusive gaff, the skvader.

Mass graves and Victorian monuments mark the history of Memphis in this 19th century cemetery.

Macabre astrological automaton clock dating to the late 1400s.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

A misnamed well, with a deep dark past.

Hot Doug's "Hot Dog" Stand.

An ancient hotspot for spotting schools of fish.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

Combination beer garden and music venue in the heart of Wicker Park.

Location of the Real World's disastrous, and protested, eleventh season.

Beloved bar home to musicians of all eras and reputations.

A Bibliophile's Dream.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

A speakeasy takes on Chicago's drinking culture.

A sturdy relic of Britain's once crucial gunpowder industry is now a haunting Cornish ruin.

Floating swimming pool within a moored vessel.

Berlin's old airport.

The celebrated eyesore created by starry-eyed sweethearts.