World's largest bell sits on the grounds of the Kremlin in Moscow.

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

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

These barriers stand as stark reminders of Northern Ireland's troubled past.

One of the largest lenses of its kind ever created, this former ship beacon has been brought down to Earth.

An homage to the first Spanish cyclist to win the Tour de France.

This park features a wooden causeway preserved since the Neolithic era.

Amidst towering office buildings, a local pub lives inside Sheffield’s oldest surviving domestic building.

A chaotic collection of coin-operated slot machines designed to delight and disturb in equal measure.

A tongue-in-cheek arcade where the games are based on everyday life.

Most of Britain's gold reserve was secretly stashed here after the start of World War II.

This former sewage pumping station is now a fascinating museum.

One of the oldest bridges in Norwich was used during the English witch trials and is said to be haunted.

Mozart's skull may be held in this collection, but definitive proof continues to elude scientists.

The largest greenhouse in the world is home to over one million types of plants.

Huge winged monument in the United Kingdom.

Famously misunderstood wonder of the ancient world

The atmospheric ruins of a historic church can be found on a hill above the city of Oviedo.

Home to Alan Turing, the cracking of the Enigma code, and Captain Ridley's shooting party.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

This little sun pays homage to a massive gate that once stood at this location.

The earliest known map to show America, discovered by accident at a Paris bookshop.