The site of the gruesome massacre—and maybe cannibalism—of five men, a tragedy that made Alferd Packer infamous.

The world's only full-size replica of the research hut used by Douglas Mawson for his 1911-14 Australasian Antarctic Expedition.

These ancient rock graves were featured on the cover of a Black Sabbath compilation album.

A distinctive building that incorporates a mythical beast into its architecture.

Dedicated to the American general whose reply to a German demand for surrender was simply "Nuts!"

This Scottish bay still reveals evidence of its days as a seaside swimming pool.

The last bastion of Roman presence north of the Alps looms over a German town.

Named after the German word for "a longingness to travel," this park brings together thousands of city and street signs from around the world.

These ruins of a Phoenician sanctuary in Sicily have a dark history.

The prototype for all Nazi concentration camps.

Experience this Iron Age village the way that its original residents would have.

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

The ruins stand as a somber reminder of France’s worst civil catastrophe of the 20th century.

Graham Ibbesons's moving tribute to the victims of England's worst mining disaster.

The remains of the worst maritime disaster in the history of the "Graveyard of the Pacific."

This graveyard contains markers and monuments dedicated to some of the darkest chapters in Washington's history.

A monument to a 19th-century Irish woman whose murder inspired several literary works.

These prehistoric replicas were based on actual skeletal remains.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

Now a public art piece, this curious metal feature originally advertised a tinsmith's services.

Hidden amid a collection of trails is the site of a tragic crash.

This defunct Champlain Oil service station harkens back to the early days of automobiles.

A rather grand, but tiny, folly on the banks of the River Wear associated with a Polish count.

The last SR-71 ever constructed.