A menagerie of concrete animals brought together from across New York City's parks.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

This mesmerizing and surreal landscape features intricate patterns of white and red sandstone.

Archaeologists believe this panel of petroglyphs depicting descending sheep and other figures in Glen Canyon are 3,000 to 6,000 years old.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

The fading, forgotten remains of a once bright and booming factory.

An homage to everyone's favorite prehistoric cartoon family.

Most-visited and most-photographed slot canyon in the American Southwest.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Dramatic river bend surrounds a natural red-rocked pedestal.

Rippling sand dunes frozen in the Arizona rock.

The remains of this hell for leather wild west town can still be found in the Arizona desert.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

The bears may be gone, but their old cages can still be found.

Run by a eugenics advocate, this aging institution conducted secret radiation experiments sponsored by Quaker Oats.

This abandoned neighborhood is now a park filled with beautiful trees, wildflowers, and hints of its past.

Once the largest public hospital for the mentally ill was also surrounded by controversy.

In the middle of a New England forest sit the crumbling ruins of World War II-era ammunition storage bunkers.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

This angular brutalist playground turns playtime into modern art time.

An unusual art exhibition in a suburban yard is designed to awaken the souls of those flowing by.

This abandoned, windowless concrete block is one of the strangest buildings in Tulsa.