The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

The ritual has been performed uninterrupted for nearly 700 years.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Hear the quietest sound from across the dome.

Eighty million natural history specimens call this gargantuan museum home.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

An 18th-century viewpoint across the surrounding highlands.

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

The final resting place of soldiers' loyal canine companions.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Single runway interrupted by a busy road that cuts across its middle.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Breathtaking and huge 430 year old maps of Italy.

This derelict superstructure was a very important warning system for the Soviet military.

The dining hall that nourishes workers in Chornobyl's Exclusion Zone is also open to visitors.

One of the most poignant ruins of the Chornobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

Monumental sculptures guard many of the graves, transforming this necropolis into an open-air fine art museum.

This unique Lady Liberty is one of the only examples of the figure sitting down.

The haunting complex honors the millions of Ukrainians who died in the forced famine under Soviet rule.