Alongside a scenic road are the remains of crumbling World War II gun emplacement.

The metal truss bridge served as the sole entry point to an "isolation island" for smallpox outbreaks throughout the 1870s and early 1940s.

Site of the first official transatlantic wireless communications.

On the waterfront of Sydney, Nova Scotia, a 60-ft. fiddle greets incoming ships.

A miner’s death at the hands of strikebreaking company police sparks a labor movement that continues to the present day.

Leave a trinket at this artistic collection of mailboxes.

Inside the simple black-and-white exterior of Église Sainte-Cécile hides a pastel wonderland.

It's believed King John of England stayed at this 13th-century castle before riding off to sign the Magna Carta.

In a quiet hamlet above Penistone, these village stocks are still standing.

All that remains of this former mill town is a ranger station and some crumbling buildings.

A natural rock bridge towers above the sea.

This former Soviet military base has over 10 original aircraft and an enormous amount of memorabilia on display.

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

This remote piece of Cape Breton coast was the unceremonious landing site of the first solo, east-west transatlantic flight made by a female aviator.

A small stone memorial marks the spot where a Bristol Beaufort aircraft crashed in 1941.

This 19th-century ghost town offers a stunning view of Lake Michigan and a journey through the region's industrial past.

Today this former Nazi concentration camp stands as a poignant memorial to the victims of fascism, and a warning from history.

A small but immensely extravagant palace built by the "Night King."

An 800-year-old island castle in Guernsey's main harbor.

A Neolithic passage tomb said to have sheltered two legendary Irish lovers.

A former coastal watch post has been turned into a bothy with unrivaled views of the sea and its inhabitants.

One of the earliest—and most commonly forgotten—acts of rebellion against English rule.

The world's first cageless zoo is working to save endangered Tasmanian devils.

The forgotten and tragic story of the thousands of female convicts forcibly transported to Tasmania is told inside the ruins of this notorious 19th-century workhouse.