Walk through living pictures and music in the Cathedral of Images.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

The 16th-century church was kept in its ruined state as a reminder of the casualties of World War I.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

This French castle is said to have once held the Holy Grail but is now a gorgeous mountaintop ruin.

A well-preserved medieval village nested on a rocky outcrop and surrounded by a network of cliffs, natural bridges and canyons.

The world's tallest bridge is also possibly the most elegant.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

Historic medieval fortified city in southwest France.

A Gothic cathedral created from volcanic rocks.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A military museum, art park, mausoleum, and architectural oddity all on one fascist's estate.

This military mausoleum captures the solemn grandeur that most memorials only aspire to.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

This winding road through an Italian canyon may be the most scenic drive in the world.

A stunning hermit's shrine on a steep rocky spur in Northern Italy.

An open-air museum in a mountain valley features works designed to blend in with—and disintegrate back into—their natural surroundings.