The secret city built by the Manhattan Project.

Enormous lake at the bottom of a unique cave system.

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

A historic coal mine that doubles as a museum and tourist attraction.

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

A historic dam made famous for its turbines and feature in a Hollywood classic.

The Cadillac Ranch for monster truck aficionados.

A maritime museum holding the remains of Blackbeard's pirate ship.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

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

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

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

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

The giant squid's 27-foot-long corpse lies preserved within a Sarasota aquarium.

Smack in the midst of coal country, this collection provides a peoples' history of Appalachian miners' heritage.

First a root beer ad, then a golf course clubhouse, and finally a massive teapot.

Thousands of jack o'lanterns light up Halloween at this historic West Virginia home.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

America's post-nuclear-attack chambers of Congress.

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

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

This abandoned amusement park was built on a site with a dark history.