Legend has it fairies gathered at the site of this medieval castle.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

This Croatian fairytale castle is slowly falling apart thanks to years of neglect.

Humble beginnings for one of the world's most famous scientists.

Gargoyle head that brings good luck.

A wonderfully strange collection of 500+ stuffed frogs doing people things.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

A musical instrument played by the sea.

An ethereal glowing blue ocean cave in Croatia.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

A series of modernist treehouse hotel rooms grace the outskirts of an Arctic forest.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

This unattributed sculpture in Amsterdam is hiding in plain sight.

Fall down the rabbit hole into a surreal journey of human consciousness "from ass to soul."

Super-heavy Nazi architectural experiment.

Museum preserving torture methods from the past.

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

When German-Iraqi relations broke down, this embassy was vacated post haste.

A sweet museum focused on beets.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

Art and a pun, all in one.

A collection of abandoned typographic signs from Berlin and beyond.