This mysterious hilltop collection of Druid carvings isn't quite what it seems.

There's a strange stone hoodoo towering atop a wooded hillside and no one is quite sure how it got there.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

A gorge full of caverns where early humans lived alongside cave hyenas, giant mammoths and wooly rhinoceroses.

This unchanged Victorian park is rumored to have been the inspiration behind Peter Pan's Neverland.

The oldest inn in England served brew to the crusaders.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

This secret garden has bloomed into London's most unique hub of urban creativity.

Tombstones and enigmatic inscriptions hide within a vault beneath a popular London arts venue.

This secluded walkway overlooks a magnificently wild London green space.

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

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

Residential building on the Regents Canal is a breeding ground for creativity and innovation.

Three small rooms at the back of the “official” church of London's clowns.

This home on a quiet suburban street is completely covered with vibrant mosaics.

London's largest outsider art museum.

An abandoned tank sits in an empty London lot as a symbolic middle finger to local city planners.

This beautiful Victorian ironwork masterpiece was built to keep London from smelling like poop.

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

A historic arboretum and non-conformist, non-denominational park cemetery.

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

Giant, friendly pelicans in Central London, the most unlikely of places.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.