The final resting place of the Seminole Indian chief who fought against government occupation in Florida.

This sinkhole is disguised as a pond and named after the man who stumbled upon it.

A maritime museum holding the remains of Blackbeard's pirate ship.

The North Carolina grounds are leased in perpetuity to the British Commonwealth for as long as the WWII sailors are buried there.

The only known Futuro house in North Carolina sits along a stretch of desolate highway on the Outer Banks.  .

The lesser-known lost colony of Roanoke was a safe haven for formerly enslaved people during the Civil War.

The solitary grave of a schooner captain killed by lightning while serving biscuits.

The land is home to swimming ponies and a legendary 18th-century treasure.

This 1830s store is believed to be the site of Harriet Tubman's first stand.

The only one-room schoolhouse remaining in Talbot County, Maryland.

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

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

Built in the 1850s, this church was of the first five churches constructed in Harper's Ferry.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

A centuries-old church stands as a testament to Boston's "father of architecture."

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

Dedicated to one of the darkest moments in Irish history, this memorial has faced its fair share of backlash.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

This 19th century granite fortification is one of the most well preserved forts in New England.