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

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

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

Charles Babbage's proto-computer, painstakingly brought to life.

The lab where the scientist made his groundbreaking discoveries is preserved on the basement floor of the Faraday Museum.

A musical composition 1000 years in length plays at the Trinity Buoy Wharf in London.

A Roman spa buried deep beneath the City of London.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

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

Hear the quietest sound from across the dome.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

The final resting place to 300 Victorian-era pets hides inside the city park.

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

An artistic tribute to the famous singer, just around the corner from where he was born.

These docile dragons are ideal inhabitants for the conservatory greenhouses.

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

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

This ancient oak plays host to carvings of magical elves, gnomes, witches, and other creatures prominent in local folklore.

The fences outside some of South London's estates are made from recycled World War II stretchers.

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

Artists and musicians now rule over this former rail station.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.