An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Once a black market electronics marketplace, now an otaku shopper's paradise.

The magical, mossy forest that inspired Princess Mononoke.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

A guardian spirit sculpture that once guarded the tomb of a 6th-century Korean king.

Step into a cartoon at this Seoul café that aims to evoke a two-dimensional scene.

About as hidden as can be, this specialty coffee shop is wedged between multi-story buildings at the end of a dark, skinny alleyway in Seoul.

The former home of a mad diplomat is said to still be marked in bloody, arcane scrawls.

Sail in for a ’dam good slice.

An overgrown and largely forgotten cemetery lies hidden within the outskirts of Amsterdam.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

Amsterdam's Red Light District leaves little to the imagination.

This museum inside Amsterdam's largest cemetery explores how people deal with death.

This cheese shop also houses a museum devoted to Dutch dairy.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

A curious collection dedicated to human and animal anatomy and pathology.

Museum preserving torture methods from the past.

The world's only museum devoted to the wonders of fluorescence.

A forgotten graveyard lost in the tangles of an overgrown garden.

The romantic garden was the epicenter of the Hungarian art scene in the 1880s.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

The rusted creatures wait to be discovered in Prague's botanical garden.