The sculpture of the deceased cockatoo flops atop its personal plinth.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

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

Public access to clean drinking water was an instant hit among the masses.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

This beautiful Victorian ironwork masterpiece was built to keep London from smelling like poop.

Repository for more than 22 million pickled specimens.

A historic house left in "dramatic still life."

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

Remnants of a Victorian garden feature sitting in public woodland.

Hidden beneath the streets of London is a secret subway that only carried mail.

Banksy gives themself artistic license with this piece of London street art.

This South London cemetery holds the remains of more than 15,000 people.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

This colorful and fiery mural depicts the Irish folk story of the beloved hero Cuchulain.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

Two standing giants remain as a tribute to Luxembourg's metallurgical past.

This Luxembourg cave is covered in cryptic looking marks left by mining activity.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

A set of seven houses, each built in a style that represents a European country.

This 1920s Amsterdam neighborhood was built as a giant experiment in concrete construction.