A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

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

A magical place that lets you play in and explore the world of Studio Ghibli.

An exquisite tunnel of cascading flowers.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

On Japan's Tashirojima Island, cats are king.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

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

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

The oldest steel ship in Iceland has been beached for years and is now a rusting ruin.

Two volcanic lakes in an enormous crater formed in a prehistoric eruption.

This collection of unique liquids allows visitors to wander the waters of Iceland's glaciers.

This tumultuous Icelandic lava field looks so alien European researchers want to use it as a stand-in for Mars.

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

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

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

This wrecked airplane has been sitting on a black sand beach since the 1970s.

The most powerful waterfall in all of Europe.

Three columns of volcanic rock shoot out of the ocean.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

This modern monument to pagan belief looks like it was transported straight from ancient times.

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

An encyclopedic collection of mammal penises.