One of the last remnants of the Bessemer process that revolutionized steel production during the industrial age.

Modern commuters still pass through this 2,000-year-old Roman archway.

The oldest of the three remaining bridges in England with buildings on top of them.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

These fantastically named natural pools look like something out of a Scottish myth.

This collection of Neolithic monuments make up one of The U.K.'s richest archeological landscapes.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A solemn memorial in a majestic setting that honors a 1692 tragedy.

This rare surviving broch is one of Scotland's most impressive Bronze Age structures.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

The discovery of this Neolithic settlement, which contained a Stone Age "cathedral," threw archaeologists for a loop.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

This seaside Scottish holiday rental lets you live out your bookselling dreams.

The ruins of celebrated theologian Samuel Rutherford’s church, featured in a 1970s cult horror film.

A 17th-century building that once served as the town's courthouse and jail is now a thriving art center.

The oldest working camera obscura in the world sits on the top floor of an old windmill tower.

This decaying, grandiose tweed mill once housed the Norwegian Army in exile.

The Devil’s Porridge tells the story of HM Factory Gretna and the munitions girls who mixed deadly chemicals.

Looking like something out of a fairytale, this tiny house was built over a stream to avoid paying land taxes

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

This abandoned concrete building was once hailed as an innovative architectural marvel, originally built to store sugar.