Located in Nairobi National Park, this animal orphanage is the oldest of its kind in Kenya.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

A floating cat sanctuary on an Amsterdam canal.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A fearsome dragon clings to a corner of Munich's city hall.

The footprint of a frustrated devil in Munich's Cathedral.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Legend says this sacred tree was a gift from goddess Athena.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

Public water fountains built during the Ottoman Era still stand throughout this seaside town.

The hallucinogenic center of the ancient world.

Believed to be the only Orthodox church in the world that features a free-standing pulpit.

Monasteries on rock pillars, once accessible only by frayed ropes.

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.

An ornate sculpture of an ox in repose marks the former entrance to Nuremberg's medieval meat market, which was destroyed during World War II.

During World War II, the Nazis repurposed this beer cellar to store stolen artwork.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

A little sculpture with a large wardrobe.

This 135-year-old weather station studied the effects of the climate on human health.

A whimsical bridge adorned with decorative dragons.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.