An Irish Memorial commemorating those who perished due to potato blight.

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

Yo, Adrian!

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Where America's first doomsday cult awaited the end of the world.

This hospital fell into ruins after failing to act as the advocate for the mentally ill it was designed to be.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

A park full of outsider art, created by college students studying outsider art.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

Glass and concrete building designed by Albert Kahn.

The concrete shell of an industry giant remains as a playground for graffiti artists, auto scrappers, and paintball warriors.

This was one of the first (and last) university-built and operated nuclear reactors.

A layered tribute to the work of mosaicist Isaiah Zagar.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

Century-old shop, specializing in Occult products.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

World's first "penitentiary," meant to be humane, drove men insane.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

A rare view of a preserved Victorian science museum.

Eccentric concrete mansion and museum designed and built by hand from the inside out.