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

An architectural oddity hides in plain sight on this iconic London bridge.

The sculpture is made of more than 100,000 knives collected to raise awareness about violence.

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

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

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

A museum wholly devoted to juvenescence.

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

The largest greenhouse in the world is home to over one million types of plants.

A hands-off space for graffiti artists to hone and display their skills.

A unique sculpture calls the outside of this steakhouse home.

Created by one of England's most prolific labyrinth designers, inspired by Bath city history.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

A domino effect created with Britain’s iconic telephone boxes.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Artists and musicians now rule over this former rail station.

Sculptor Antony Gormley used chaos theory and fractal growth to design his tallest creation.

A kaleidoscopic warehouse-maze of handmade neon signs.

Used as an example in one of the first dictionary entries for "museum" in 1706.

Home to Alan Turing, the cracking of the Enigma code, and Captain Ridley's shooting party.

The star-studded street honors the city's most notable Brummies.

These 90-year-old murals of local kings, Vikings, and outlaws hide in plain sight in a beautifully baroque shopping arcade.