Bold black and white motifs of life and death add a dramatic flair to this 17th-century crypt.

This facility has manufactured stunning tapestries for France's royalty ever since the 17th century.

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

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

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

Historic medieval fortified city in southwest France.

Ancient paintings known as the "Sistine Chapel of Cave Art."

This bridge was constructed from the rubble of the infamous Bastille.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

A collection of biblical memorabilia.

The history and future of cannabis.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

This sculpture is an instrument played by the swell of the seas.

These "bridges" help confused bats cross the road.

The strange behavior of a tween led to allegations of witchcraft and a curse being placed on anybody within earshot.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Don't be fooled by this fake medieval facade even if it is almost 300 years old.

One of the highest Roman forts in Britain is set amid dramatic scenery on a notoriously difficult road.

The red letters in the literary pavement leading to the library form a mysterious code.

A striking glass tribute to two sisters who suffered during Scotland's "Killing Time."

Be on the lookout for the symbolic insect all over the city.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.