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

Stroll through a wonderland of stupendous moss-covered trees.

Sasqu(w)atch out!

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

The world's last remaining store of its kind.

Two massive rock outcroppings on the Oregon coastline.

A massive sea stack famous for its appearance in The Goonies.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

Hollowed out cedar log tubs set in an ancient towering forest.

This frequently-photographed waterfall takes only a short hike to visit.

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

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

On the Oregon coast there is a natural hole that seems to be draining the sea.

A tunnel with windows, so you don't miss out on the impressive views.

The “Grand Canyon of Maine” is a three-mile gorge full of striking geological features.

Hidden among the trees at the Rangeley Lakes Trails Center are more than 20 gnomes in small wooden houses.

The second-oldest garden cemetery in the U.S. was also a college brainstorm spot of Stephen King.

This colorful theme park dedicated the official fruit of Maine serves sweet, tasty treats.

The eccentric mansion of one the most popular horror authors of modern times.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

France's most famous cemetery, with some of its most curious tombs.