Abandoned railway line circling the city of Paris.

Meet the world's longest tapeworm in a collection that really gets under your skin.

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

The world's first combination ski slope and power plant.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

Hans Christian Andersen for the postmodern world.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

This church is dedicated to the patron saint of seafarers.

A magical, if a bit tacky, 1960s castle conjures up medieval fairytales and Greek mythology.

This striking sculpture of Icarus honors Greece's fallen flyers.

Learn about the sweet, storied legacy of beekeeping in ancient Greece.

This 200-meter-high waterfall marks the site of Achilles’s immortal baptism at the mouth of the River Styx.

An ambiguous ambience emanates from this centuries old leprosy quarantine.

This medieval "painted village" is famous for its geometric facades.

This field of half-buried stone crosses was the burial place of a sect of heretical gnostics.

A little-known park with unusual, half-ruined structures and a mystical energy.

This abandoned Greek island was the last active leper colony in Europe.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

Seventeen oak trees sprout from the roof and walls of this tiny chapel without any visual evidence of roots.

Ancient Greek oracle of the dead.

This remarkable cave was discovered after a shepherd watched bees enter and exit through a small fissure.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.