This ultra-modern wooden boardwalk turns the ocean into a swimming pool.

Cages that once displayed the bodies of executed leaders hang from a German church tower.

Fantastic views and thousands of love locks.

Carved fountains poignantly placed in parks and in front of special monuments.

Somber memorial to the May 10, 1933, book-burning which took place on this spot.

Commemorating Frankfurt's Jewish community and 11,908 victims of the Holocaust.

This German fountain of a legendary apple wine-loving drink thief will spit on you.

From Ancient Rome to WWII, Neupfarrplatz has over 2,000 years of history underneath its main square.

This riverside restaurant has been serving customers since 1146.

Twisted trees shaped by coastal winds make this woodland look like something from a spooky story.

Sweden's largest remaining gantry crane is a relic of Gothenburg's industrial past.

A statue of the heroic plumber stands outside a company that bluffed its way into being Nintendo’s Scandinavian distributor.

A piece of Cold War history most people walk past unknowingly.

This statue standing near Sweden's southernmost point was based on the grandmother of a modern movie star.

Sweden's southernmost point is located in this charming fishing village.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

A monument celebrating the idea of reaching inaccessible places.

This innocuous-seeming building is actually the remnant of a major wartime brothel.

This Parisian gem is one of the most incredible ethnographic museums in the world.

Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

The narrowest street in Paris.

A surrealist timepiece by the artist of melting clocks.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

This mountainside mural of a person carrying a torch was created for the 1994 Winter Olympics.