A never-finished memorial to the heroes of the Napoleonic War has become "Scotland's Folly."

Visit the remains of a notorious Victorian-era correctional facility.

Here you can see more than 100 years of Scotland’s history captured by amateur and professional filmmakers.

The niches over the western entrance of Westminster Abbey honor individuals from the 20th century who gave their lives for their Christian beliefs.

One of Scotland's most important modern structures, it just made the '100 Most Endangered Sites' list.

This abandoned bridge over the River Irvine may be the oldest surviving railway viaduct in the world.

One of London's lost rivers runs through a pipe over the tracks of this subway station.

The home of two of Scotland's most important artists has been reassembled in the Hunterian Art Gallery.

Erected in memory of Sir Arthur Conan Doyle, who was born close to this spot, this statue commemorates the author and his famous detective.

An exceptional engineering feat that facilitates the migration of salmon upstream during their breeding season.

This castle was first occupied in the 1400s and has undergone major restoration in recent times.

This former World War II artillery defense site was built to guard the industrial city of Glasgow.

This remarkable sculpture symbolizes the regeneration in this Glasgow suburb.

A pagan tradition of draping trees with rags eerily lives on.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

The pub has been in operation since 1819 on the banks of the Clyde.

Attached to this castle is a local church.

This 1920's sandstone war memorial was constructed with an unusual drinking trough for horses.

The initials "GW" mark where one of Scotland's most important Protestant martyrs was burned at the stake.

This 19th-century prison once held Irish revolutionary Constance Markievicz, writer Frank O’Connor, and a nine-year-old pickpocket.

This Georgian mansion blends historical significance with an impressive art collection within picturesque surroundings.

The bones of two medieval royal lions were discovered at the historic fortress.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

The broken skateboards that became a poignant memorial to a murdered skater.