This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A "simple-hearted artist" turned an isolated Icelandic valley into his own art museum.

Iceland: home to volcanoes, waterfalls and, apparently, Santa?

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

A sulfuric martian landscape that looks far better than it smells.

The oldest church in Iceland is one of the few to feature ornate decoration.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

This elegant arc of a waterfall marks a religious turning point.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Rising from the sea like a stone monster.

Medicinal spa created with the discharge from a geothermal energy plant.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

A church of bones, decorated with 40,000 human skeletons.

Be(w)ar(e) the moat around this historic Czech castle.

A surreal statue honoring Prague's favorite literary son.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

This automated sculpture of two men peeing will spell out text messages with their micturition.

An eerie, existential museum dedicated to the author of "The Metamorphosis."