The strange phenomenon causing gravity to "work backwards" on this hill has been blamed on the paranormal.

An extraordinary mixture of natural beauty and man-made phenomena.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

A whimsical village of unique treehouses resides in a Washington forest.

Rustic natural hot springs in the deciduous rain forest.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

This natural marble cave is one of only five national monuments in Oregon.

The trunks of 3,000 year-old trees lurk beneath the surface of this crystal clear lake in Oregon.

A chance to sleep among the firs and pines of the Oregon forest.

Bridges, terraces, and replicas of historic structures all built of rock and petrified wood by one man.

A tourist attraction founded around a slumping cabin.

Formerly secret, precariously perched boulders.

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

Treehouse motel and treehouse-building school.

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

Beyond being incredibly fun, not much can be said about the Hole with certitude.

Nestled between a college and a golf course, the garden is home to more than 2,500 rhododendrons.

Tens of thousands of tiny birds swarm into one school chimney every fall.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

This beautiful "lagoon" is actually a toxic soup filled with cars, carcasses, and trash. When warnings couldn't stop people from going for a dip, the town dyed it black.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.