An engineering wonder at Pillnitz Castle protects a precious 230-year-old flowering shrub.

A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

When Croatia became independent of Yugoslavia, the splintering governments left behind these concrete tunnels.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

This classic restaurant features a gorgeous mirror-clad room.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

A collection of abandoned typographic signs from Berlin and beyond.

A flamboyant five-story building in Bulgaria resembles a crawling snail.

A young Italian couple has been locked in an embrace for over 6,000 years.

This half-finished "city of toys" was almost Italy's own Las Vegas.

This real life asylum of horrors is now an abandoned ruin that hides the unbreakable code to one patient's insanity.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Nestled in the heart of Milan is a real wunderkammer of morbid curiosities.

A Milanese café entirely designed by the American director Wes Anderson.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

This stately estate house features a tower covered in a bright, modern mural.

The community pools that the community refused to give up on.

A 200-year-old collection of oddities and medical paraphernalia.

The world's oldest surviving music hall was also once a freakshow.

This gnarled old tree supposedly sprouted from seeds kept in the pocket of a 16th-century Spanish sailor.

The lake that fills and empties itself at random.

The monster at the center of the Darwin Center Spirit Collection.