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

The Art Deco artwork depicts gilded carriers of deadly illnesses.

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

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

This magnificently macabre shield shows the power of chivalrous love in medieval times.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

Children's hospital in London that operates on royalties received from Peter Pan, which J.M. Barrie signed over in 1929.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This sculpture encompasses the emotion of rail travel.

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

The curios of pharmacist and collector Henry Wellcome.

A network of concealed passageways lies within a busy London Underground station.

The remains of the great moral philosopher reside in a university in London.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

The world's longest continuously running show has played at this small West End theater since 1974.

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

One of America's founding fathers lived in this London lodging between 1757 and 1775.

A large instrument played by the wind.

Dive bar built out of the remains of a whaling ship.

A 90-acre park on former landfill that hosts an annual kite festival.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.