A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Large collection from the 3rd millennium BCE.

The largest of London's subterranean rivers and once a mad, bad center of London life.

A student driver's nightmare.

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

Artists and musicians now rule over this former rail station.

Repository for more than 22 million pickled specimens.

"Purveyors of traditional sweets and vintage treats."

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

The largest clown school in Britain offering accredited degrees.

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

Giant, friendly pelicans in Central London, the most unlikely of places.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

Pop culture has helped to keep this iconic British building from being destroyed.

A Victorian school for poverty stricken waifs has been preserved as a museum to their donated education.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

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

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

An abandoned tank sits in an empty London lot as a symbolic middle finger to local city planners.