One of the earliest large-scale "hyper" roofs in the U.K. is now a derelict roadside attraction.

At 22 feet tall, these Bronze Age monoliths are some of the tallest standing stones in the United Kingdom.

An impressive Neolithic henge with banks nearly 10 feet high.

Though this large circular site is now named for the legendary king, its history dates back to the Neolithic era.

One of Manchester’s museums has gathered and preserved British political paraphernalia covering over 200 years.

Experience history from the stomping grounds of the great Scottish poet.

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

This 900-foot structure with 20 arches crossing a Scottish river was built in the late 19th century.

A stone burial chamber that was also the site of religious rituals.

A gap marks the spot where a now-missing stone once completed the circular arrangement at this Neolithic site.

Named after a 6th-century saint, who was also a scholar.

Nine hundred years ago, this was the home of a feudal lord. Today all that remains is a steep mound surrounded by a deep moat.

Carved between 3500 and 1000 B.C., the distinctive carvings at this site are poorly understood.

A 2,000-year-old Iron Age fort offers stunning ocean views.

These stones date back to the 3rd or 2nd millennium B.C.

The remnants of a classic 1970's British film.

This fortified L-shaped tower is the ancient seat of clan Hannay.

Direct access to a gold mine showing the boom and bust of Australia's Victorian gold rush.

On the outskirts of Edinburgh, a trio of topiary created by one man over the course of more than 20 years.

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

A small collection of objects of a bygone era hide in plain view.

This impressive Gothic church dates back to 1244 and stands on the site of one of the first churches in Scotland.

Long abandoned underground complex to keep royals safe from a nuclear war that never came.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.