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

An architectural oddity hides in plain sight on this iconic London bridge.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

Cliffs full of fossils at the portal to England's Jurassic Coast.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

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

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

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

Giant, friendly pelicans in Central London, the most unlikely of places.

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

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Hear the quietest sound from across the dome.

Famously misunderstood wonder of the ancient world

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

One part local history, 99 parts gruesome haunted house.

Eighty million natural history specimens call this gargantuan museum home.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."