A open air theatre built on a cliff by an eccentric British woman.

The largest greenhouse in the world is home to over one million types of plants.

Sometimes an island, sometimes a rocky outcropping connected to the world by a tiny suspension bridge.

An ancient hotspot for spotting schools of fish.

This tiny business claims to be "the smallest pub on the planet."

London's only public statue of the much-married monarch adorns the gate to St Bartholomew’s Hospital.

The London statue that imitates passersby.

Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

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

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

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

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

An unusual round church in London with a Templar past.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

These lovely Turkish-styled baths were brought back to life after winning a reality show competition.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

Giant statue of a disembodied head.

The second-longest pier in the U.K. stretches a whole kilometer into the Irish Sea.

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

This Gothic Revival castle used as a shooting location for "The Secret Garden" and other films.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

The unusual clock on this 18th-century market building has an extra minute hand for "Bristol time."