This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

At this farm in upstate New York, the former president plotted his reelection campaign.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

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

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

A 13,000-year-old mastodon skeleton was found during the construction of a 19th-century New York mill.

The final resting place of President Chester A. Arthur and hundreds of others from Revolutionary War soldiers to poets, politicians, and painters.

An experimental, automotive replica of Stonehenge.

Less a museum than a bizarre fantasy world created by artists and engineers.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

This erect, phallic geological spire wasn't always named so domestically.

For decades, it has disappeared and reappeared as water levels rise and fall.

When an ancient supervolcano erupted, some of Nebraska's prehistoric animals were forever preserved in ash.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

Once a strategically imperative naval base, portions of this Bermuda dock complex now serve cruise ships.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

The original Uncle Sam was actually a New York meatpacker who is buried under this historic grave.

This relic of 19th-century infrastructure is one of the few remaining coal gas storage tanks in the U.S.

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.

This water tower has been a staple of the Rochester skyline since 1931.

This massive roadside mascot was the first version of the giant to illustrate his butt.

America's largest man-made forest was planted in an effort to bring back the past.

Other-worldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.