Murals of the wild parties once held on the frozen River Thames.

The commemorative stone column conceals a secret laboratory.

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

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

Black cat statues guard this temple-like Egyptian revival factory.

This one has sailed five times as far as Sir Francis Drake's famous ship.

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

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

This pub was 238 years old when it decided to revamp its image: It started serving Thai food.

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

Ship-sized kinetic sculptural fantasy.

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

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

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

Dictionary Johnson’s favorite feline.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

Scattered throughout London are ancient remnants of the city's former bounding wall.

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

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

Rebuilt remains of a temple to Roman god Mithras.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

Catacombs turned marketplace.

This luxury shopping lane has been protected by its own tiny police force for over a century.

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