This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

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

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

These fantastically named natural pools look like something out of a Scottish myth.

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

Eighty million natural history specimens call this gargantuan museum home.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

The Lone Star plaque hangs in a bombed-out bunker in Normandy to honor a Texan colonel's heroic actions on D-Day.

A Gothic cathedral created from volcanic rocks.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

A haunting collection of the vanished and disappearing natural world.

This encrypted monolith protected a secret of Norse mythology by hiding in a church wall for over a millennium.