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

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

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

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

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

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

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

The Origin of On the Origin of Species.

The grave of Mrs. Reginald Hargreaves, who inspired the tale 'Alice in Wonderland.'

This restaurant's specialty is "a major enigma for food historians."

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

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

A fantastic castle rumored to be the birthplace of King Arthur.

The largest greenhouse in the world is home to over one million types of plants.

A open air theatre built on a cliff by an eccentric British woman.

A 16th-century artillery fort built to protect England against European invasion.

This historic timepiece was a popular meeting place for romantic rendezvous in the 1960s.

The colorful stairs are made with marble from the world's major quarries.

A 18th century graveyard and its astonishing cortege of macabre iconography.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

Now home to a drinking establishment, this building has a macabre history.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.