An unassuming London park is actually a pilgrimage site for modern clowns.

This one has sailed five times as far as Sir Francis Drake's famous ship.

A quiet memorial to those who died saving others in the heart of the City of London.

This artist's home turned gallery/museum preserves the creator's love of "Eastern" influences.

This hidden green space is the city's second largest conservatory.

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

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

An artistic tribute to the famous singer, just around the corner from where he was born.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

A historic arboretum and non-conformist, non-denominational park cemetery.

Abstract dinosaur models in London.

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

Repository for more than 22 million pickled specimens.

The remains of Crystal Palace Great Exhibition of 1851.

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

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

A cluttered and astounding collection of antiquities and curiosities.

Eighty million natural history specimens call this gargantuan museum home.

The curios of pharmacist and collector Henry Wellcome.

An unusual round church in London with a Templar past.

A kaleidoscopic warehouse-maze of handmade neon signs.

Once a black market electronics marketplace, now an otaku shopper's paradise.

A treasure trove of astronomical, mathematical, and scientific instruments at Cambridge University.