There's an exclusive Beefeaters pub hidden in the Tower of London.

This elaborate Byzantine-style building was designed for a not-so-pretty purpose.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

Where condemned pirates met their grisly end at the gallows on the River Thames.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

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

A relic of Victorian grandeur hides beneath a busy South London road.

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

Eclectic final resting place of the controversial explorer.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

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

A Roman spa buried deep beneath the City of London.

This secluded walkway overlooks a magnificently wild London green space.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

This home on a quiet suburban street is completely covered with vibrant mosaics.

The monster at the center of the Darwin Center Spirit Collection.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

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

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

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

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.