The inscribed stone at Kilnasaggart is a remnant from nearly a millennium ago.

This tiny train shuttles passengers to one of Northern Ireland's most spectacular sights.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

A museum marks and documents the site of the Titanic's launch.

One of England's most famous churches hides a pair of little known architectural treasures.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

The most loyal of little dogs, or a Victorian era publicity stunt?

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

The atmospheric road was never meant to be so creepy.

Famously misunderstood wonder of the ancient world

Featured in one of the most iconic scenes in cinema history.

340-foot statue built to honour the Heroes of the Soviet Union.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

Spain's largest bullring offers a unique glimpse at architecture and history.

The fragmented remains of a massive public bath connected to the city's water supply.

Originally used to sell brandy, the bull-shaped billboard became an iconic symbol of Spain.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

The final resting place of the great navigator, or maybe his brother.

Three bridges and one giant canyon make up this fantastic Spanish settlement.