This historic Rhode Island mini-cemetery features a number of headstones run through with mysterious holes.

The oldest still-operating tavern in the United States was once owned by a pirate.

The second oldest Jewish graveyard in the U.S. is tiny, with connections to George Washington and Henry Wadsworth Longfellow.

The final resting place of the famous Rhode Island lighthouse keeper who heroically saved dozens of people from drowning.

The first newspaper printed by an expeditionary force was published in this colonial mansion.

A single light illuminates one man's overshadowed contributions to street lamp history.

An unexpected Easter egg lurks in the background of a cherub wall relief at the Breakers mansion.

The secluded beach getaway from Wes Anderson's dreamy summer romance.

You can spend the night as an honorary lighthouse keeper in this quaint, historic beacon.

Unicorns, elephants, and bears, oh my!

This storybook New England home is actually a decommissioned lighthouse.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

Featuring the the longest lift span of any vertical-lift bridge in the world.

World Trade Center memorial likened to a woman's sexual organ.

Once considered a marvel of engineering, this 107-mile canal played an integral role in building New York City.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

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

This 220-year-old house is a reminder of New York City's Dutch past.

Red frames showcase remnants of one of New York's original subway stations.