Why have you never heard of the second most popular tourist site in New York?

This pair of eccentric Ohio castles were built by a pair of brothers who wanted to bring a bit of class to the Ohio wilderness.

In this relatively flat state the highest point is an honored place.

This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."

The highest peak in the state of Vermont has some interesting features.

The highest point in South Carolina was once owned by an energy company that neglected it but now the state is taking it back.

As state highpoints go, this spot is one of the lowest, but for years it was also the hardest to climb.

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

The summit Roosevelt conquered before he descended to become The Chief.

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.

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

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

Georgia's highest point was given its strange name thanks to a simple translation error.

The highest point in Delaware is located under a trailer so this marker across the street will have to do.

The highest point in Connecticut was incorrectly memorialized before surveyors discovered the actual spot.