The oldest surviving synagogue in New York City is now a soaring art space.

A popular European tradition makes its way to the states on one of America's most famous bridges.

This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.

Massive galleon from a box-office bomb docked in Genoa.

Once home to one of the oldest banks in the world, this building is also where Marco Polo's famous travelogue was written.

Go inside to really appreciate this 500-year-old technological masterpiece.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

A small but immensely extravagant palace built by the "Night King."

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

Enter the cabin of a life-sized Hindenburg replica.

This viaduct serves as a reminder of World War II.

This proud Teutonic warrior rises out of a German forest heralding a victory and measuring lightning.

Hamburgers are intensely proud of their tunnel beneath the river.

Model Trains and Much More in Hamburg.

Ruins of a German castle on top of a towering stone pillar.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

A stairway to heaven, or to nowhere at all.

This beautiful 19th-century temple stands atop the ruins of its predecessor.

Go surfing on this urban wave, "hacked" by local surfers.

This tribute to the 16th-century composer is now an unusual shrine to Michael Jackson.

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

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

One of the most easily accessible examples of the rare 1960s UFO houses.