The largest of only eight working transporter bridges left in the world.

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

The bombed out remains of the old church were kept intact next to the new one, as a reminder of the futility of war.

With its mine closed, this old village is starting to resemble a ghost town.

Once-buried markers show England’s lowest land point keeps getting lower.

A mysterious bridge over a sunken Roman road.

This 600-year-old tower was built as a comfy residence for cherished pigeons.

The only medieval bridge in Britain with its defensive tower still in tact.

This 19th-century fountain's namesake animal isn't what you think it is.

This monument honors the life of a long-suffering lion whose story captivated the world.

Three abandoned missile silos are hiding in plain sight behind a suburban development in Maryland.

A tiny memorial for the year the Connecticut River almost destroyed New England.

This statue honors the thousands of Allied avians that served and died for France during World War I.

This strategically placed hill fort has served defensive forces from the Iron Age up until the 20th century.

A public urinal so pretty, it was declared a national monument.

The 16th-century church was kept in its ruined state as a reminder of the casualties of World War I.

The iconic castle that withstood a magnitude 6.2 earthquake has become a symbol of resilience.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

Abandoned blockhouses from Nazi Germany's Atlantic Wall erode into the sea on a French beach.

One English town's celebratory landmark spurred more trouble than anticipated.

A hidden art gallery in an abandoned Warsaw fort.

Clusters of abandoned buildings hint at the facility's 144-year history with psychiatric health.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

For centuries, Germans have been dancing in trees.