An eccentric Victorian aristocrat's enormous collection of medieval armor and weapons from around the world.

Victorian-era Londoners really wanted to believe this 17th-century cistern was actually an ancient artifact.

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

High-end antique collection housed in a centuries-old church.

This open-air mosaic gallery honoring an English artist took hundreds of volunteers more than seven years to create.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

This Viking gravestone carved in a rare runic style was dug up from a London churchyard.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

A Roman spa buried deep beneath the City of London.

English antique dealers with a taste for the unusual.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

An unusual round church in London with a Templar past.

Rebuilt remains of a temple to Roman god Mithras.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

Eighty million natural history specimens call this gargantuan museum home.

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

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

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

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

The lantern carried by the infamous Guy Fawkes when he was arrested while attempting to blow the houses of Parliament and the King of England to smithereens