A gruesome and mysterious ancient sculpture of a pagan deity from the Roman occupation of Celtic Britain.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

The Tudor-style cottage in the middle of the square is not quite what it seems.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

This London marker celebrates the spot where the world-famous English band was founded.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

London's smallest police station is barely the size of a phone booth.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

These distorting, funhouse mirrors achieved fame in a renowned piece of Spanish theater.

One of the best examples of the modernist movement in Madrid.

Nicknamed the "Spirit of Paul Klee," this colorful apartment building features an array of multicolored panels.

For more than half a millennia, this automaton has rung an hourly bell.

An old, deep well, connected with a miraculous, divine rescue and the patron saint of Madrid.

Kakadu National Park is known for its stunning beauty and its rock art, which represents the longest historical records of any continuous civilization on Earth.

The oldest building in Madrid.

Remarkably intact Roman stone fortifications have encircled this Spanish city for centuries.

One of Ireland's lesser-known megalithic structures.

The unpredictability of this pendulum's movements has drawn visitors to this magnificent church for decades.

This grand gate once marked the entrance to a military barracks.

Inside this church are the alleged remains of the patron saint of lovers, epileptics, and beekeepers.

Earth's rocky history has rarely glittered so brightly as it does in this Spanish museum.

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

Order cookies baked by cloistered nuns in a 400-year-old monastery.