This nightmarish children's plaything was left grotesque to help kids conquer their fear.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

Art Deco stylings conceal the true nature of this bridge.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Catholics make up 84% of Ireland's population but this Dublin museum remembers the small but important Jewish community.

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

A palatial former bank building now houses what may be the poshest art venue (and former Tesco) in Belfast.

A museum marks and documents the site of the Titanic's launch.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

Northern Ireland's Brobdingnagian stepping stones.

The atmospheric road was never meant to be so creepy.

A little sculpture with a large wardrobe.

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

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

Climb inside an iron crystal magnified 165 billion times its normal size.

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

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

The legendary giant's severed hand sits on Antwerp's popular shopping street.

A man throwing a giant severed hand towers over Antwerp’s main square.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

Sweden's "good old days" painstakingly re-created in a model village.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.