Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

Ruins of an American Civil War iron forge still survive today.

The only known Futuro house in North Carolina sits along a stretch of desolate highway on the Outer Banks.  .

One of the best places to see feral Colonial Spanish Mustangs in the United States.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

These eerie outliers of the lightning bug family glow a mysterious blue color.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

A sculptor's dream castle turned fantastical ruin.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

This crumbling stump is all that remains of what was once thought to be the oldest living organism.

A Nevada mining boomtown that ran out of silver and luck.

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

This lesser known Hearst estate is a fairytale village built from the stolen bones of historic European buildings.

This strange hill on Old Fort Road where gravity works in reverse has been fascinating locals for years.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A volcanic fissure over two miles long and up to 70 feet deep.

A volcanic landmark located on an Ice age lake bed.

Massive crater in central Oregon.

This large maar crater in Oregon is the bigger brother to Hole in the Ground.

A rugged lava field dotted with molds of the ancient pines that were growing when the volcano erupted.

The longest continuous lava tube in Oregon.

The world's last remaining store of its kind.