An art installation composed of items left behind by beachgoers.

This work of public art symbolizes the maritime history and the modern creative industry in Fremantle.

This roadside sculpture garden in New Mexico venerates Mother Earth and outsider art.

Intricate, eye-catching, award-winning rubber sculptures liven up this Pennsylvania town.

These abandoned grain silos and tunnels are an urban exploration dream.

The overgrown remains of an old rail bridge rise above the valley like ancient Greek ruins.

The headquarters of a pioneering cast iron and cast aluminum cookware company is in ruins, but still standing.

The crumbling remains of the first Black-owned and operated hospital in Kansas City.

Built by an accountant with a dream of running a grand resort, this estate has sat vacant for over half a century.

A chimney and a plaque are all that remains of a logging camp that once cleared out a large swath of Minnesota's old-growth forest.

One of the few Cold War-era bases with many of its original structures still standing.

Once the extravagant escape of the Ford family, this enigmatic ruin now stands as a haunting reminder of its former glory.

An enormous factory from the late 1800s sits abandoned on Cleveland eastside.

Picturesque and haunting, these 160-year-old stone ruins on top of a bluff are the only remains of a settler's legacy.

The last remnants of a lakeside airport that was bulldozed overnight by the mayor of Chicago.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

An artist weaves "wooden quilts" with scraps salvaged from his Katrina-damaged home in Tremé.

This public art pays homage to the baseball legend and civil rights icon and his time in Montreal.

A short boardwalk through a swamp leads to the spot from which the Louisiana Purchase was surveyed.

Crumbling Kennedys and a decaying Tecumseh are just some of the haunting remains of one man's cement art trail.

This chestnut box will not be opened until the country music legend's 100th birthday in 2046.

A 100-foot metal tower and swinging bridge that provides stunning views of mountains in five states.

An enormous warehouse filled with parade floats collected from over 50 years of patriotic celebrations.

A lawn full of retired spacecraft on display at one of NASA's first research labs.