The original burial place of this preeminent 18th-century Jewish philosopher was razed by the Nazis.

A museum in the building where Nazi Germany signed its surrender tells the story of World War II from the Soviet perspective.

A brush maker used his factory to protect blind Jews from the Gestapo.

Berliners converted a bombed-out, disused lot into a community-run urban farm with its own cafe and bar.

Berlin's old airport.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

A wunderkammer of mysterious objects and stories.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

A slice of central Asia in the middle of Berlin.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

Twelve hundred stone carvings guard this off-the-beaten-path Buddhist temple.

Hot springs monkey spa in the middle of Hell's Valley.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

A volcanic old faithful, Stromboli has been erupting continuously for the last 2000 years.

An extraordinary collection of 18th century anatomical waxworks.

Overlooked amid the tourist bustle of Florence, this museum is dedicated to the craft of stone inlay.

Geometry and mystery come together in an epic show of octagonal masonry.

Behind medieval walls in a corner of bustling Palermo is a breathtaking former mosque once inhabited by a wolf-taming hermit.

Originally a leper colony, the island is now an Armenian monastery that's home to an incredible manuscript library and eclectic museum.

Every inch of this chapel is covered in craftsmanship from across the world.

Explore the quarry where the marble was sourced for Michaelangelo's David.

The city of Palestrina was built around this magnificent terraced sanctuary dedicated to the pagan goddess Fortuna.

A lavish 16th-century mansion filled with spectacular staircases, fantastic frescoes, and gorgeous gardens.