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

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

The last four extravagant street signs of London's historic banking street.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

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

A historic house left in "dramatic still life."

This eclectic, mosaic-clad home includes a bamboo ping-pong loft and a "Whispermaphones" intercom.

A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

This silent sentry in the crypt below a large Gothic cathedral is often knee-deep in water.

A mysterious shape catches the eye in this 16th-century painting.

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

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

This intricately carved and hilariously huge bed was such a famous symbol both Shakespeare and Byron used it in their writing.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

A tribute to an explorer and naturalist often overlooked by history.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

The famous polar explorer stands outside the Royal Geographical Society's headquarters.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

A relic from one of London's worst 19th-century slums.

This iconic high-rise residential block was one of the last to be built in the Brutalist style.

A quiet memorial to those who died saving others in the heart of the City of London.

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

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