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

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

Giant naked man on a hillside.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

One of Europe's oldest libraries.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

One English town's celebratory landmark spurred more trouble than anticipated.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

Go inside to really appreciate this 500-year-old technological masterpiece.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

Two stone columns flank the grand Venice square, but there were supposed to be three.

The only museum with its curator—and her pets—buried inside.

A small but immensely extravagant palace built by the "Night King."

The fairy tale castle of the "fairy-tale king."

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

An undulating wicker beast looms peacefully atop a sand dune in Belgium.

Christ's blood preserved in a Belgian town.

This whimsical statue dumps water on its head to symbolize knowledge flowing into his brain. Or maybe booze.

A giant bug impaled on a 75-foot-tall needle.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

This ghost town in Belgium will lose its street art when it ceases to exist.