One family's environment-friendly hobbit-house in Wales.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

A breathtaking flower tunnel bursts with beautiful golden blossoms.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

Climb to the top of this windmill for a scenic panorama and up-close look at wind energy production.

The Isle of Wight’s “Island Line” serviced by former London Underground trains from the 1930s.

A late 18th-century jail.

This round structure dotted with portals is one of several pieces scattered throughout Lancashire.

An eccentric memorial garden to the "warrior" birds of World War I, the messenger pigeons used by the Allied forces.

The longest sculpture trail in the United Kingdom.

This memorial is dedicated to the hundreds of soldiers from Featherstone who died fighting World War I.

A museum pays tribute to the glass-making industry of Sunderland.

A jumble of treasures in a small space, this old-fashioned local museum is full of surprises.

These carved, weathered stones once gave mail carriers and pub goers a leg up.

One of England's oldest ongoing games is basically a town-wide scrummage that aims to push a leather tube into a local pub.

You don't have to be a professional jockey to ride in Britain's oldest horse race.

This multicolored meandering masterpiece is Britain's longest bench.

The largest timber structure in Europe.

The house in the middle of the motorway.

An anti-tank graveyard in the English countryside.

This 20-foot mountain is made up of some 15,000 mannequins—if you visit, you can even take a piece home with you.

The last surviving roundhouse in the United Kingdom also plays host to a popular annual beer and music festival.