This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

An abandoned tank sits in an empty London lot as a symbolic middle finger to local city planners.

Drink a Guinness under the wings of Reagan's retired Air Force One in his presidential library.

The immortal Hollywood star rests in peace in an unassuming Swiss village cemetery.

This former Soviet military base has over 10 original aircraft and an enormous amount of memorabilia on display.

It's forbidden to dig within this ancient Roman fort hidden beneath a playground.

A display of torture devices used in the Spanish Inquisition and other scourges of medieval Europe.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

A young Italian couple has been locked in an embrace for over 6,000 years.

An acoustic anomaly with a mysterious cause.

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

This statue of a falling man commemorates a teenage martyr of the Hungarian Revolution.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

The remnants of an early American attempt at missile defense.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The last manually operated turntable ferry in the world.

This beautiful site is where the first transatlantic telegraph was sent from.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

The great Danube river starts here.

Far from the shore, this sandy victim of the Skeleton Coast looks like it was plopped in the middle of the desert.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

A golden egg-shaped sauna in the Arctic tundra.