Who needs fancy modern water slides when this giant North Carolina rock works just as well?

Travelers exchange letters with woodland creatures at this mini post office.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Treehouse motel and treehouse-building school.

This home is decked out like a psychedelic explosion of colors and bowling balls.

This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

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

Everyone remembers Laurie Strode from Halloween, but this is the house where most of the blood was shed.

A "Titanic" superfan changed his name to Jack and set up this strange shrine to the blockbuster, complete with Korean food and Tarot readings.

A stealthy Apache hideaway that became the haunting site of a mass grave.

A short hike into the mountainside forest reveals a decaying 1890s town.

Visit this playground of waterfalls, caves and sinkholes.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

The largest drain hole in the world.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Outsider art meets paleontology at this roadside reptile repository.

A popular European tradition makes its way to the states on one of America's most famous bridges.