Rusted structures stand like ghosts of Cyprus' 6,000-year-old copper industry.

Breathtaking Byzantine paintings cover the inside of this 12th-century church.

Rows of stone statues are dressed up to mourn children that are lost before birth.

One of the biggest markets in Asia, under one of the continent's largest domes.

A preserved building where the dead were once watched for signs of life.

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

This ghost town in Belgium will lose its street art when it ceases to exist.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

An open-air sewer system that was covered piece-by-piece over 300 years.

Artwork tucked within the trees greets visitors with surreal sonic experiences.

Crouch down, stretch tall, and be sure to flail your legs to pay homage to the Monty Python classic.

This monument to those fallen in the World Wars is accompanied by a U-boat that Germany bought for a Deutsche Mark.

The only remaining U-boat that is still floating never actually saw any action in World War II.

Eight naturally mummified bodies in glass coffins are housed in an underground crypt.

A spitting ode to a German serial killer.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

A railway bridge leading nowhere stands lonely in the middle of a meadow.

This abandoned beacon is moving closer and closer to the sea.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

The rusted hull of a WWII German destroyer pokes above the surface in a Norwegian fjord.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

The world's northernmost aquarium looks like it has fallen over.

The great polar explorer is remembered in this far northern town, where he embarked on his final expedition.