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

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

A memorial for public executions that dates back to the 14th century.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

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

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

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

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

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

There's an exclusive Beefeaters pub hidden in the Tower of London.

The rusting relics of Southampton's former luxurious flying boat industry.

Now a memorial to merchant sailors and Titanic victims, this medieval church was destroyed by bombing raids in 1940.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.

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

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

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

The bones of two medieval royal lions were discovered at the historic fortress.

The beloved beast's taxidermy remains sit in the Natural History Museum's cafe.

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

Charles Babbage's proto-computer, painstakingly brought to life.

Eighty million natural history specimens call this gargantuan museum home.

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

This bewitching Babylonian goddess haunts a hallway of the British Museum.