A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

An underground city of salt.

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

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

This tangled English forest looks like something right out of a fairytale.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

The atmospheric road was never meant to be so creepy.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

The world's largest collection of witchcraft regalia.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

The sign at the garden gate reads: "These Plants Can Kill."

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

Explore the complex ecology of this multifaceted nature preserve by riverboat.

An elevator into the Baltic Sea.

A narrow strip of land is home to the tallest migrating dunes in Europe.

This imposing 20th-century castle was abandoned before it was ever completed.

Deep in a Polish forest, this collection of Iron Age megaliths still holds onto many of its ancient secrets.

A peculiar family mausoleum built by a German nobleman captivated by the occult.

Once a giant gingerbread factory, this space now hosts exhibits and workshops on the historic treat.

A national collection of Communist-era musical posters.

One of the world's largest collections of medieval religious art.