The only road through the heart of Glacier National Park.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Upside-down trees serve as natural flower pots in this hanging garden of Alaska.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Narrowest house in Boston.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The highest bridge in America was built for an almost unnervingly small amount of money.

Water of undetermined depth has attracted rare fish and cult leaders alike.

Come for the speed, leave in love with the desert.

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

A motel dedicated to Southwestern nostalgia.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

These aggressively sustainable art homes look like something out of 1970's science fiction.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

Mind-blowing carvings and fantasy ice scenes grace the largest year-round ice environment in the world.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

One of the ghostly stops along Route 66.

See massive fossils that are over 200 million years old in northeastern Arizona.

New Orleans' famous cemetery, located on the site of a former race track.

A popular swimming hole that hides one of America's most deadly diving spots.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.