One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created with the discharge from a geothermal energy plant.

A kaleidoscopic warehouse-maze of handmade neon signs.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

This restaurant was removed from the famed sister ship of the Titanic and placed within a hotel.

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

A headstone notes where the most famous of Robin Hood's legendary Merry Men is reportedly buried.

On a site with a long military history, a 1980s shelter.

The western face was supposedly left clock-less to snub the Welsh.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

A hundred copies of Antony Gormley's naked body stare out across the water.

Created as a punny statement about genetic engineering this monstrous hybrid statue has become a beloved icon.

Some of England's last cave dwellers lived and worked within this huge cave.

19th century tunnels burrowed under Liverpool.

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

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

The Liverpool street made famous by the Beatles is real.

One of the largest mechanical models of the solar system in the world.

The last of the 19th-century booze-free bars has been slinging teetotal tonics for over a century.

Great Britain's only hat-making museum.

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

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

Manchester's abandoned train depot lingers in a post-industrial purgatory.