This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

Nestled on the banks of a river in Nuremberg is a small museum that was once home of the city's official executioner.

A small museum dedicated to the small—but mighty—Nürnberger Rostbratwurst.

An ornate sculpture of an ox in repose marks the former entrance to Nuremberg's medieval meat market, which was destroyed during World War II.

Art historians have debated the identity of this medieval stone rider since the 19th century.

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

Beloved children's TV characters freckle the German city's streets.

A strange rock formation with numerous legends trying to explain it.

The medieval institution is home to the precious treasure stolen in World War II in one of the greatest art thefts of the 20th century.

On the highest peak in the Harz Mountains, science and the occult faced off in a failed attempt to turn a goat into a boy.

The Goose Girl of Göttingen, Germany might well be the most kissed girl in the world.

A ruined castle stands atop a hill surrounded by dragon lore.

This former Nazi castle was built as a school to train what would have been the future of the Third Reich.

Part mural and part sculpture, this work of art sits in the middle of the Promenade, as if swimming in a river of asphalt towards the ocean.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

This Art Deco masterpiece has stood in for some of the most famous buildings in comic book history.

Made of granite, this is a symbol of the Inuit peoples near water that expresses abundance.

This quirky piece of naval artillery has been deafening Canadians for over a century.

What happens when a sculptor has to find a way around a 100-year-old copyright.