Now in ruins, this abbey was the home of Tironensian monks for more than 400 years.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

Giant, friendly pelicans in Central London, the most unlikely of places.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

A haunting monument dedicated to the Royal Naval Air Service and the Fleet Air Arm.

The sumptuous ceiling was one of the last things Charles I saw before his execution.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

The ruins of a once-grand castle that played host to a tournament with 100,000 attendees.

A scattered trail of street art adds a pop of color to the city's stark structures.

A brother statue swap has adorned this building's facade for centuries.

A unique art installation located on what was once considered the widest railway bridge in the world.

Glasgow's oldest pub has a proud literary tradition and possibly a ghost or two.

A serene public space nestled within the remains of Glasgow’s Victorian maternity hospital

Glasgow's memorial to the International Brigade volunteers from Great Britain who fought and died in the Spanish Civil War.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

This cannonball embedded in the side of an Edinburgh house once served a surprisingly pedestrian purpose.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

This abandoned limestone quarry now provides visitors with multiple, breathtaking viewpoints.

This former small-town cinema palace was built with the remains of a luxury liner.

An architectural oddity hides in plain sight on this iconic London bridge.

A discarded movie prop that was the original monolith for "2001: A Space Odyssey."

Once the overnight home of Mary Queen of Scots.