This lush Florida island is home to the ruins of a crooked ship breaker's tiny empire.

This 140-year-old beacon off the Florida Keys marks the wreck of a Navy ship that once roamed the Caribbean hunting pirates.

An Adirondacks museum housed in the former studio of Marcella Sembrich, the 19th century opera star most famous for her role of Mimi in "La Boheme."

Of all the unique artifacts inside this library, a mummified hand stands out among the others.

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

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

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground

The first evidence of some of the Earth's earliest life was found in this fossilized undersea grotto.

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

A monument to the military service of America's greatest traitor refuses to even name him.

The first American home of the isolated, egalitarian religion has a trove of Shaker architecture and artifacts.

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

The former residence of Elizabeth “Mumbet” Freeman, an enslaved African-American woman who successfully sued for her freedom.

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

This picturesque cottage was the site of Ulysses S. Grant’s final and perhaps most important campaign.

This lovely little pond is named after the hundreds of soldiers' corpses that were rolled into the waters during the French-Indian War.

American artist J. Alden Weir purchased this 60-acre estate for $10 and a painting.

The remnants of a 19th-century ironmaking complex hidden in the woods of Connecticut.

This historic railway museum may have lost its passengers but not its love for trains.

A castle inspired by medieval architecture is hidden in the woods of Connecticut.

This mass grave for victims of a massive hurricane remained hidden until 1991.

Shrine dedicated to boars that is believed to cure foot and leg injuries.

The final resting place of New England's last "vampire."

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.