Inside houses a vast collection of military aircraft and missiles spanning the ages.

Rare recess caves fill this unbelievably beautiful Ohio park.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

An abandoned town is hidden in Great Smoky Mountains National Park.

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

The site of an ancient Mississippian settlement that appears to have flourished during the 10th to 13th centuries.

A wonderful display of arts and crafts handmade by local artisans in the Southern Appalachians.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

Built in 1933, this unique ballroom is nicknamed the "floating dance floor."

This gravelly, dangerous highway is the only road in the United States that leads to the Arctic Ocean.

This abandoned mine offers a glimpse at what life was like for those who came to Alaska seeking Gold Rush riches.

America's largest viking stands in a Minnesota city that believes it was visited by the ancient nords.

One man's quest to save his town with a trail of record-breaking sculptures.

On the windswept Dakota plains there is a memorial to circus workers who were struck down by lightning.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

The northernmost truck stop in the United States.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

A renowned Civil War veteran, this Bald eagle now presides over the Wisconsin State Assembly.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

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

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.