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

The Nobel-Prize-winning author of The Stranger is buried beneath a simple gravestone in a sleepy French village.

Even France's favorite aquatic son Jacques Cousteau, couldn't get to the bottom of it.

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

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

Celebrate the end of the Great French Wine Blight with a festival of kissing.

Sculpture of a legendary French dragon.

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.

The world's most active stratovolcano is almost always erupting.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

This legendary city has been a tourist attraction for centuries.

A spectacular cave and a beguiling lake.

Monasteries on rock pillars, once accessible only by frayed ropes.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

3,000 market stands in five former Zeppelin hangars.

Every equinox this Maya pyramid puts on a spooky ancient light show.

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

A tiny church on a man-made island in the Adriatic.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A beautiful mountaintop mausoleum devoted to a Montenegrin icon can't seem to make everyone happy.

Giant topiary dog once played a role in a terrorist bomb plot.

Two large posteriors in one giant statue.

A small house in Tazones, completely covered in shells.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.