The fifth-longest natural arch in the world, and the longest outside China.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

The ravine where Jesse James supposedly performed an impossible jump to evade capture.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

This 1,700-pound edible sculpture is way better than your average chocolate mousse.

Site of the greatest known waterfall that ever existed.

A comedy troupe's collection of bizarre humor.

You don't have to visit the deep blue sea to see these majestic creatures swimming wild and free.

The lowest point in the state of Illinois, at the confluence of the Mississippi and Ohio rivers.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

There aren't too many operational funiculars around, but Pittsburgh has two!

The 32nd president's sprawling cottage sits on an island enclave jointly managed by the U.S. and Canada.

Moonbows over Kentucky.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

This 19th century granite fortification is one of the most well preserved forts in New England.

One street divides a single town that stands in two U.S. states.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

Lovingly nick-named the "Brick Dick" this municipal tower was winner of the World's Most Phallic Building Contest.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

Large one-man sculpture park in Michigan.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

This memorial to the Mercury Seven astronaut stands at the site of his former elementary school.