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

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

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

A multi-storied adobe complex has been inhabited for more than a thousand years.

This is one really big nut.

Home of the International Space Hall of Fame.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A museum dedicated to the alleged Roswell Incident.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

The highest point in Maryland is only accessible by hiking through another state.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

In this relatively flat state the highest point is an honored place.

The highest point in Indiana is curated by an Eagle scout but may be in danger of losing its record to a nearby garbage pile.

The largest earthwork effigy in the world.

The mounds at this site were reconstructed with the help of archaeologists and historians.

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

The highest point in Virginia can only be reached by passing through ponies and flowers.

You can climb to the summit of Black Mountain, as long as you sign the waiver.

This high point in the Great Smoky Mountains is said to be home to the chief of all bears.