The world-record holder for the longest bridge stretching continuously over water.

While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.

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

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

A set of tall pillars and alcove-like rooms that are significant to the Miami people of Indiana.

The only freestanding table rock formation east of the Mississippi.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

Elvis's own personal tropical hideaway.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

An abandoned theme park with a strange and tumultuous past.

The world's longest known cave system.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

This general store is more than a century old and home to various oddities and antiques.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

In 1787, a group of delegates met at this very spot to drink, be merry, and ratify the Constitution of the United States.

Live chainsaw carvings of tiki statues aim to keep a tradition with ancient roots alive in this small Delaware town.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

The Cadillac Ranch for monster truck aficionados.

One of the best places to see wild Colonial Spanish Mustangs in the United States.

A piece of outsider public art accompanied by a strange urban legend.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

This woodland architectural installation acts as a camera obscura for the heavens.