The first American department store, and home to the largest operating musical instrument in the world.

The oldest farmer's market in America is so ancient it was approved by the King of England.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

A toxic ghost town sitting atop a massive coal fire.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

A smaller model of the Da Vinci sculpture that took 500 years to come to life.

An exotic wildlife habitat right off The Strip.

Elvis's own personal tropical hideaway.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

This replica of the Greek structure is in the heart of Nashville.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

A museum chronicling pioneer life constructed over Interstate 80.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

This dramatic rail curve was once the target of a failed Nazi attack.

Steepest flood safety railway in the entire world.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

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

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

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

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.