The tombstone of an unfortunate explorer who disappeared in the Paris Catacombs.

This centuries-old wooden wonder was built in less than a year and is one of Europe's largest timber-framed churches.

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

A 115-year-old restored German dining hall awaits those who venture beneath the Minnesota State Capitol.

A sapling of the legendary tree where conquistador Hernán Cortés sat and wept after an Aztec uprising.

A retired firefighter created this contraption so he and his family wouldn't die if accidentally buried alive.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

This candy-colored storybook village originated as a 19th-century Methodist campground.

Scotland still bears an enormous scar of its Roman past.

A beloved carnival gets a modern makeover in Los Angeles.

A quirky collection of outsider art made from automobile parts.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

The last resting place of the famous Native American princess is marked by a haunting monument.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

The beloved bard's garb is proudly displayed within a Freemason's hall.

Climb down into the largest sinkhole in Qatar.

Just like in Hollywood, Madrid has also a forgotten walk of fame.

At this deceptively beautiful beach, nothing is what it seems.

This nomadic monster has divided opinions as it prowls across Canada.

These underground shelters dug by the Japanese during World War II later helped East Timor achieve its independence.

The only urban monument in the world designed by the great surrealist painter Salvador Dalí.

Rusted cars, trucks, and buses form a fascinating collection of Soviet-era machinery.

The shape of this old salt factory complex was inspired by the course of the Sun.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.