This golf ball–shaped former desert real estate office now houses a UFO museum.

A spiritual vortex among the red rocks in Sedona.

Rippling sand dunes frozen in the Arizona rock.

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

The remains of a Canadian train crash are now mouldering beneath layers of rust and graffiti.

A mysteriously dark cemetery monument fuels stories and legends galore.

A floating McDonald's built for Expo '86 is now a derelict relic on Burrard Inlet.

The wreckage still sits at the exact spot the plane crash-landed in 1945, carrying 1,000 pounds of explosives.

One of the largest cat sanctuaries in North America is considered a "Club Med" for felines.

Greenery cloaks this serene sculpture inspired by the famous Lost Gardens of Heligan.

Defying all odds, this lonely little tree found a home on a log sticking out of a Canadian lake.

This expansive bridge in the Canadian wilderness was originally just built for friends.

With a floor made of thick glass, this observation deck offers a full view of Sunwapta Valley's mountains and rivers.

Mark Twain once stopped at this rest station during his journey to Nevada.

This work of art by Matthew Mazzotta resides in this park dedicated to the first black legislator in Idaho.

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

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

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

She become one of the first women to serve in the United States military by secretly dressing like a man.

This sprawling 18th-century cemetery features unique and beautiful gravestones, including one shaped like a tree.

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.