The oldest Jewish cemetery in Europe survived Hitler's Germany.

A restaurant and observation deck built in a unique broadcasting antenna.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The prototype for all Nazi concentration camps.

This historic stone bridge has an entire neighborhood clinging to its sides.

The fairy tale castle of the "fairy-tale king."

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

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

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

New Orleans' famous cemetery, located on the site of a former race track.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.