A fortress off the West coast of Portugal that dates back to 1502.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

An abandoned textile mill that is now home to art and concerts.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

Few other hotels can rival the grandeur of the Castle in the Rockies.

This historic mansion was built as a symbol of love between a husband and wife.

A scrap-metal sculpture recalls an infamous 19th-century camel.

This memorial pyramid marker honors one of the United States Government's first official camel riders.

The shop's owner has spent decades in the desert wearing nothing but a strategically placed sock.

Baroque celebration of the end of the Great Plague of Vienna.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Burial site more than 300 years old.

Europe's second largest ossuary wasn't discovered until 2001.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

A cheeky architectural easter egg.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

This strange statue depicts a young boy's body with an adult Mozart's head and a single wing.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

Neal Cassady may still have an open tab at one of Denver's oldest watering holes.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

A technicolor place of worship for Elevationists.

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.