A marine aquarium with an astounding variety of fish hides in the basement beneath the famous Palm House.

The medieval woodcut-style artwork chronicles life in medieval London.

This East End pub gained notoriety as the site where gangster Ronnie Kray publicly shot a rival.

A living memorial to the trees London lost during the Great Storm of 1987.

These docile dragons are ideal inhabitants for the conservatory greenhouses.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

A measuring mishap led to these artificial stone ladies losing their stomachs.

Where's a guy to go after a long, hard day at work?

Legends say that this Art Deco apartment building almost became Hitler's British headquarters.

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

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

This medieval church tower has maintained its clockworks since the 16th century.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

This Viking gravestone carved in a rare runic style was dug up from a London churchyard.

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

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

These ornate arches show how the course of the River Thames has changed.

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

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.

A recently restored Shoreditch landmark with ties to Jack the Ripper.

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

This intricately carved and hilariously huge bed was such a famous symbol both Shakespeare and Byron used it in their writing.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.