A mysterious carving from 17th-century London seemingly depicts a young boy sitting on a bread basket.

This macabre painting of a Shakespearean scene looks like something out of a nightmare.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

Buried for centuries, this hidden cellar is all that remains of London's medieval Whitefriars Monastery.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

Tombstones and enigmatic inscriptions hide within a vault beneath a popular London arts venue.

A network of bells in the pubs and restaurants around Westminster alerts politicians when it's time to cast their votes.

The sumptuous ceiling was one of the last things Charles I saw before his execution.

These ornate arches show how the course of the River Thames has changed.

A living memorial to the trees London lost during the Great Storm of 1987.

The world's oldest family-run magic shop is hidden beneath a bustling London thoroughfare.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

This eye-catching roundabout sculpture commemorates one of England's best World War II-era "shadow factories."

The only museum in the world dedicated to preserving the life and work of American comedian and entertainer, Phil Silvers.

This ruin in a suburban park may be the place where Shakespeare's "A Midsummer Night's Dream" was first performed.

A little slice of Japan and its aesthetics in London's Holland Park.

The fantastic charm of England's oldest botanical garden has made it a place of writerly inspiration for centuries.

An enormous alien invades Woking, England, as an homage to the H.G. Wells classic 'The War of the Worlds.'

This museum inside a museum tells the story of London's timepieces.

More than a million titles fill the labyrinthine shelves of this prestigious private library.