Ancient human remains unearthed around the iconic monument.

In addition to escorting prospective couples to and from ballrooms, this lane was also a place for gentlemen to settle scores.

Since 1768, the pillar at Guildhall Market in Bath has been a hub of economic transactions.

The accidental discovery of this gilt bronze head led archaeologists to find the Roman Baths in the city of Bath

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

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

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

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

This statue includes the molehill that toppled a king.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

The broken skateboards that became a poignant memorial to a murdered skater.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

An archway adorned with vulnerable flora and fauna.

One of America's founding fathers lived in this London lodging between 1757 and 1775.

The bronze uniforms commemorate the vital role of women during World War II.

A haunting monument dedicated to the Royal Naval Air Service and the Fleet Air Arm.

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

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

A living memorial to the trees London lost during the Great Storm of 1987.

This ancient Egyptian obelisk still bears the wounds of World War I.

These ornate arches show how the course of the River Thames has changed.