Cold war icon and onetime "hole" in the iron curtain.

Tiny memorials honor individual victims of the Holocaust.

Berlin's old airport.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

Large Hadron Collider and the Birthplace of World Wide Web.

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

This antique thermometer honors the creator of the first universal temperature scale.

Modern art commemorates one of the first military actions of World War II.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

The potters' quarter is packed with artists sculpting clay gods with mud from the sacred Ganges river.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

A 1,500-year-old, 3-story subterranean city where ancient Persians took refuge in times of war.

A powerful tribute to the victims who suffered under Ethiopia's most devastating regime.

An ancient engraving by the Cammeraygal people was uncovered in the transformation of a North Sydney industrial site.

Though considered an eyesore by some, this boxy Brutalist high-rise plays a significant role in Sydney's past.

Ancient structures used to make and preserve ice in the deserts of Persia.

There's nothing shrimpy about the world's largest artificial prawn.