This large boulder was used as a lookout point by Revolutionary War militiamen.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

Amazing views of Long Island Sound can be seen from this mountaintop tower.

After decades of neglect, a brutalist icon is getting new life as an eco-friendly hotel.

"A hideous albatross in the Hudson River Valley."

Stay at this storybook estate, featuring Sir Henry Hudson Kitson's masterpiece "Gingerbread House."

One of the most scenic falls in Massachusetts has a history of death and grim legend.

The schoolhouse where Jesse Merwin, the inspiration for the "The Legend of Sleepy Hollow" character, once taught.

A rock outcropping left by a glacier that made itself useful throughout the centuries.

Monument on the spot where in 1778, Bathsheba Spooner had her husband Joshua killed and dumped down his own well.

A 200-year-old bar is all that remains of one Mississippi River town's rough-and-tumble past.

The short-lived history of a new republic and British control in West Florida.

The South's nickname was supposedly born at a former bank in New Orleans' French Quarter.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

This lovely hilltop tower was specifically built to withstand 100 MPH winds.

The kind of mixed-up place that drives archaeologists crazy.

Herman Melville wrote 'Moby Dick' in this landmark 18th-century house surrounded by farmland.

The former home of the oldest nail maker in the United States was built on the ashes of a mill burned by the British.

A monument park dedicated to the influential Beat Generation author and poet, Jack Kerouac.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

An abandoned Depression-era zoo hidden just off the highway.

Hidden behind a Target are pillows of cooled lava that formed at the bottom of a deep lake in the Mesozoic Era.

A human attendant once directed car traffic from this structure before automated stoplights.