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

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

This hidden green space is the city's second largest conservatory.

Eighty million natural history specimens call this gargantuan museum home.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

This captivating Bronze Age timber circle spent centuries concealed by the tides.

A large collection of steam engines, organs, and fairground attractions.

These "bridges" help confused bats cross the road.

Arthur, Merlin, and Guinevere are among the largest and oldest satellite dishes on the planet.

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

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

Hindu temple of the dead home to hundreds of long-tailed macaques.