This tidal island, a sacred site in early English Christianity, was the target of a notable Viking invasion.

The gigantic skull of a long-extinct species that once roamed the forests of England and Ireland.

The Art Deco artwork depicts gilded carriers of deadly illnesses.

This knockout museum lies in a sleepy corner of London.

London's marvelous wildfowl reserve along the Thames.

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

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

This small collection of rare books was uniquely locked up for safe keeping.

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

Explore nearly 400 years of English middle-class home life.

Abstract dinosaur models in London.

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 mysterious artist-run cabinet of curiosities and library.

The final resting place to 300 Victorian-era pets hides inside the city park.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

The anatomical-pathological collection of a man who changed surgery.

Rebuilt remains of a temple to Roman god Mithras.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

One part local history, 99 parts gruesome haunted house.

This 1920s Dutch barge is now a floating bookstore.

A tongue-in-cheek arcade where the games are based on everyday life.

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

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.