The largest burial mound in the United States holds the remains of prehistoric West Virginians.

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

The scant remains of an expansive indigenous civilization can be seen at this Arkansas state park.

A wild trout fishery in Arkansas.

The only diamond mine in the world where you can keep what you find.

A 70,000-square-foot institution dedicated to a very literal, creationist perspective on the Book of Genesis.

Beautiful waterfalls grace a canyon visibly torn by a violent tornado.

An enormous natural sandstone bridge in Kentucky.

The world's longest known cave system.

A monument commemorating the role of Alaska's native Tlingit guides in the Klondike Gold Rush.

Clean, cold drinking water flows from a nondescript pipe in a roadside rock face.

The oldest original lighthouse in Alaska that was born out of a tragic shipwreck.

A whale of a public art display towers atop Juneau's cruise ship dock.

Impressive artifacts from Juneau's gold mining days fill this mining site-turned-museum.

This remote fort on the Yukon River is a vestige of the wild Alaska gold rush.

One toy collector's legacy of hundreds of unique items includes the most diverse display of northern indigenous dolls.

Permanent exhibit reminds visitors of the Exxon Valdez.

This Alaska library may be the only one in the country that allows you to check out pieces of taxidermy.

A sarcastic monument threatens to curse any "idiot" who dares remove it.

11,500 year old little girl found buried in an ancient fire pit.

The cultural center preserves the history of the Tlingit tribe, who have lived in this Alaska village for more than 10,000 years.

The northernmost international land border crossing in the United States.

The sculpture's largest spire points directly toward the North Star.

Alaska Natives have lived on this tiny isolated island in the Bering Strait for over 5,000 years.