A ruined hotel with an unlucky history and an eerie present.

Hidden beneath a lake for decades, this brutalist mine has now emerged from beneath the receding waters.

Secret Manor, a house full of legends, the least of which is the haunting of long-deceased ladies of pleasure.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

There aren't too many operational funiculars around, but Pittsburgh has two!

This abandoned boat was left in place thanks to its rotting beauty.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

A modest reminder of treacherous waters at the Golden Gate.

A giant chess set, minus the psychedelic drug trip.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

One of the world's longest murals depicts the history of diversity in Los Angeles.

Forgotten and then destroyed by fire, this was once one of the largest saltwater swimming pools in the world.

Elephant seals and sea lions have turned the abandoned buildings on this island into their endangered love shack.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.

One of Scotland's most important modern structures, it just made the '100 Most Endangered Sites' list.

A huge musical instrument played by the ocean.

A 300-ship graveyard, with a few still visible at low tide.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

Towering basalt columns, a creation of fire and ice.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.