Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

Preserved behind glass, the ruins of a medieval building used to store human remains.

This hydraulic power system in London was, at one time, seen as a rival to electricity and the last of its kind to shut down.

Tucked away behind the mansions of Mayfair, this picturesque garden is a hidden London treasure with a spooky past.

Built by George III to observe the transit of Venus, this Georgian gem is a unique survivor in the Arcadian landscape of Richmond upon Thames.

An eccentric Victorian aristocrat's enormous collection of medieval armor and weapons from around the world.

A commemorative plaque at the door pays tribute to an "American Patriot" known for his betrayal.

At this small museum, visitors can view artifacts from the only battlefield in London during the War of the Roses.

What might be the oldest living tree in London has survived fires, bombings, and estate agents.

The ruins of a church destroyed by both the Great Fire of London and the Blitz, now turned into a peaceful garden.

London's Victorian Tower of Babel.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

These Victorian era devil sculptures were designed to spite a local vicar.

A mineral spring that became all the rage in 17th-century England.

This magnificently macabre shield shows the power of chivalrous love in medieval times.

This museum is dedicated solely to this millennia-old handheld cooling device.

Legend has it this gnarled old tree was planted by Tsar Peter the Great during his visit to London.

This Underground station has been a popular filming location for decades, even before it closed.

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

The bones of two medieval royal lions were discovered at the historic fortress.

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

A series of carved figures that scandalized British society.

William Smith's iconic "map that changed the world" is hidden behind a curtain in the Geological Society building.

A gruesome and mysterious ancient sculpture of a pagan deity from the Roman occupation of Celtic Britain.