This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Moonbows over Kentucky.

A theme park featuring a replica of Noah's Ark built to the measurements specified in the Bible.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

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

A dazzling display of lights and crystals.

This steamer is known as "The ship that built Cleveland."

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

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

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

Elevated freight railway turned wildly successful urban park.

An architecturally unique lighthouse that had to be lifted up and moved to avoid falling in the sea.

Abandoned Coast Artillery fort now serves as a graffiti canvas and sightseeing vantage point.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

Packed with gear and memorabilia, this museum chronicles the history of skiing and how its rise shaped New England.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

At the supposed instruction of Ben Franklin and Socrates, a Spiritualist believer intended to birth a mechanical messiah here.

In which a local geological marvel becomes a quaint roadside attraction.