The Roman Emperor's lost summer home and grotto full of enormous sculptures sit along the Italian seashore.

This house was the subject of an Edward Hopper painting, which in turn helped inspire the design of the Bates house in Alfred Hitchcock's 'Psycho.'

The ruins of an old mill lie in a small ravine along a hiking trail near Little Seneca Creek.

The remnants of this unusual bridge await an uncertain fate.

Home of a French nobleman's short-lived attempt at raising cattle in the Badlands of North Dakota.

The oldest badlands in North America, Makoshika State Park takes it name from the Lakota words for broken land.

This museum is dedicated to telling the story of dinosaurs from a creationist perspective. 

The ruins of Theodore Roosevelt's beloved ranch stand in a forgotten corner of a national park named after him.

This remnant of an old railroad is the tallest surviving wooden trestle bridge in Victoria.

One of the world’s longest pedestrian suspension bridges.

The highest pedestrian bridge in Singapore looks like a series of undulating waves rising between two public parks.

This unusual three-way wooden foot bridge spans two rivers at once.

The remains of a 19th-century carving of what was to be a signal light on the Firth of Forth Estuary.

This settlement on the original Transcontinental Railroad began by harvesting timber, but transitioned to a forgotten 19th-century industry: harvesting ice.

A 36-ton remnant of the last Ice Age now resides amid picturesque vineyards.

An institution that preserves the history of institutionalization.

The wooden airship was the largest flying boat ever built.

Home of Howard Hughes' Spruce Goose.

This incongruous small ferry across the Willamette River north of Salem, Oregon has been operating continuously since the 1850s.

Thanks to a spelling mistake this bizarre beaver-tiger hybrid became the symbol of a Siberian town.

An isolated "phantom bridge" doomed to crumble into ruin.

There just so happens to be a court even higher than the U.S Supreme Court: a basketball court in the building itself.

At the point of oceanic inaccessibility, you can't get farther from dry land without leaving the planet.

For the last century, this international border within a small town has appeared and disappeared various times.