This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

Intricate metal sculpture that's half gothic cathedral, half construction equipment.

The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.

You can spot this teeny tiny stained-glass window from the Bonifacius bridge.

Christ's blood preserved in a Belgian town.

A piece of stonework relief commemorates the site where the Devil's rage, and odd apparel, destroyed a house.

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

Drink among marionettes at this pub inside a historic puppet theater.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

Meet the bronze beloved pet to a family of famous peeing statues.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Cozy basement bar sports an inventory of over 2,000 beers.

Brussels' favorite peeing boy has a sister.

A little sculpture with a large wardrobe.

Belgium’s famous peeing statue has worn many hats (and coats, and pants), which are on display at this small museum.

A bronze statue of the fictional character nicknamed "Mrs. Hat" from a beloved Belgian comedy.

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

Madrid's last horchata kiosk is a blue-and-white beacon of refreshment.

A must for film lovers in Madrid and home to the Spanish Film Library's projection space.

A thorough look at the development and history of the underground's rolling stock of the Madrid subway system.

This house's itty bitty size means no humans allowed.

Walk into an underground archeological dig, the site of the Roman Forum that was once the center of Valencia.