The site of a tragic massacre that spawned a multimedia franchise.

This backwater graveyard in the Hamptons became a trendy burial spot and posthumous status symbol for famous artists.

Once the center of food production for this small town.

A fire station-turned-church-turned-museum dedicated to the work of seminal light artist Dan Flavin.

This 19th-century Hamptons windmill was once home to modernist painter Agnes Pelton.

Etchings in a pile of boulders on the Long Island Sound are a monument to vanquished native peoples.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

A restored Shell gas station from 1937 that includes a tow truck, the original gas pumps, and the original office.

An unrealized dream to wirelessly electrify the entire Earth.

This roadside attraction looks like a flying saucer parked atop the tundra.

A giant concrete orb in far north Iceland marks the ever-shifting boundary.

This former Texas landfill is flush with 300 million-year-old fossils, all fit for the taking.

Headquarters of the legendary clairvoyant's readings, spiritual hospital, and massage school.

The final resting place for the famed creator and narrator of "The Twilight Zone."

For decades, it has disappeared and reappeared as water levels rise and fall.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

This tiny patch of arid sand sits in one of the greenest states in the United States.

A strange mark in the stone fence of a cemetery fabled to have been made by the Devil himself.

The closest thing to Mars on Earth.

A lake in the middle of the tundra of Quebec is said to be the purest freshwater lake on Earth.

This island castle contains enough secret passageways to support a season of Scooby-Doo episodes.

Legend says that this short Canadian tunnel still holds the dying screams of a girl who burned alive.

Abandoned for over a century, this chilling train tunnel is now a destination for ghost hunters.

A retro walk through the history of the tube.