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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

A grand Wetherspoon pub set in a former opera house dating back to 1902.

The elegant structure of this 19th century railroad bridge creates an illusion of infinity.

Designed by Gustave Eiffel before his famed tower.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.

The oldest operating roller coaster of its kind, the Montaña Suiza has been thrilling riders since 1928.

A monument to the civilian victims of the Japanese Occupation forces of World War II.

Vast fan-shaped British cemetery honouring American servicemen lost in World War II.

This tree was grafted from the actual tree that led Isaac Newton to ponder the theory of gravity.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

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

Beneath the city of Lourdes, France is a massive, concrete church.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

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

This breathtakingly beautiful botanical garden is home to a mob of wonderful wallabies.

Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

The world's largest collection of ship figureheads includes figures from legends and history alike, from Sir Lancelot to Abraham Lincoln.