Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

The telescope that discovered Neptune.

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

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

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

Legendary site where an evil bishop was devoured by rodents.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

It's good luck to be mocked by this monkey.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

The middle finger of modernity.

Amsterdam's former hotspot for public executions and dissections.

A public urinal so pretty, it was declared a national monument.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

A floating cat sanctuary on an Amsterdam canal.

A wealth of plants and horticultural curiosities fill this charmingly antique museum.

A tribute to one granddaughter's old apartment which now represents the whims of each visitor.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

These pretty kitties killed and ate as many as 135 railway workers.

A display of magnificent stained glass windows is the first exhibit of its kind.

A curious collection of miniatures in a quiet corner of the Chicago Children's Museum.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.