A Roman spa buried deep beneath the City of London.

A famous burial ground with a history both grim and literary.

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

A naturally mummified 2,000-year-old man.

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

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

Abstract dinosaur models in London.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Eighty million natural history specimens call this gargantuan museum home.

Rebuilt remains of a temple to Roman god Mithras.

One part local history, 99 parts gruesome haunted house.

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

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

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Blitzkrieg bop your way through Berlin's Ramones Museum.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.