This reconstructed Norman castle is the world's most accurate, from location to livestock.

The longest and tallest aqueduct in Britain can actually be sailed across.

This volcanic plug boasts the longest recorded history of any Scottish stronghold.

A close look reveals that the Scottish monument is just slightly off-kilter.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

Twelve sweet, nutty, life-sized statues are housed in this second-story shrine to almond paste.

A peculiar trapezoidal building covered with wonderful humorous reliefs.

One of the last remaining railway viaducts equipped with a transporter ferry.

One of the largest busts in the world celebrates the German city's erstwhile namesake.

A Neolithic celestial calendar standing in a nondescript wheat field.

The world's first and only three-segment bascule bridge folds up into the shape of a capital "N" to let boat traffic through.

A century-long search for a church that was never there.

This strategic isle was once swapped between empires and almost entirely destroyed in a bomb explosion.

This monument to those fallen in the World Wars is accompanied by a U-boat that Germany bought for a Deutsche Mark.

The mass grave of the 27 victims of the "Vampire of Hanover."

On the highest peak in the Harz Mountains, science and the occult faced off in a failed attempt to turn a goat into a boy.

The Goose Girl of Göttingen, Germany might well be the most kissed girl in the world.

1898 German railroad depot museum with working engines, steam train excursions, and hands-on displays.

Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

This fountain of a little boy that spits on passersby at erratic intervals is a town icon.

According to a satirical conspiracy theory that persists today, this German city of 300,000 is a hoax invented by the CIA.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

The sweet story of how American cargo planes became known as "Candy Bombers" during the Berlin Blockade.