This watchtower once presided over the Berlin Wall.

The last bastion of Roman presence north of the Alps looms over a German town.

A surreal statue honoring Prague's favorite literary son.

This spooky statue sits outside a famous Prague theater.

The first museum in the world devoted to sexual gadgetry.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

If you visit Santa's village, you can get your passport stamped to show you crossed into the Arctic Circle.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

This tomb's name derives from a famous painting of a white horse found inside.

The site where the Emperor of Korea performed the long-forbidden "rite of heaven" to demonstrate his absolute sovereignty.

A symbol of hope, survival, and national character, especially after it rose phoenix like from the flames.

Home to more than 13,000 pieces of war memorabilia and military equipment.

Buy your fish and have it cooked to order in this bustling, eight-floor seafood market.

A remnant of Korea's colonial past lies forgotten in a hip neighborhood in Seoul.

The world's longest bridge fountain has hundreds of nozzles that create a beautiful, illuminated spectacle.

The 400-year-old remains of the samurai invasion of Korea.

An unsettling sculpture of a boy hanging out in a street in Ghent has been baffling visitors for years.

Brussels' favorite peeing boy has a sister.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

This modern arts center is built around a gem of late-Baroque architecture.

A little sculpture with a large wardrobe.