Site of a former hidden treehouse in New Orleans.

This relatively recently abandoned brewery is a tragic reminder of the continuing effects of Hurricane Katrina.

A snapshot of the city's fascinating voodoo culture.

A morbid gateway to an Alaska town prides itself on the hunting history it represents.

A reliquary of pop culture marvels, including the world's largest (and most terrifying) Jack-in-the-Box.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

One man's extraordinary topiary garden in a small South Carolina town.

A unique hotel for the artistic soul.

A large camera obscura, constructed entirely from digitally fabricated components.

Destructive children, start your engines.

An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

An abandoned dollhouse factory.

A once grand hotel is being retaken by the wilderness it once capitalized on.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The United States Capitol's former columns still stand.

The site of the climactic scene from the classic horror film is now a historic landmark.

An artsy hidden staircase leads to breathtaking views of San Francisco.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Rippling sand dunes frozen in the Arizona rock.