A recently abandoned psych ward at the end of Sanatorium Road.

American involvement in World War I officially ended in 1921 in New Jersey, three years late and thousands of miles from the battlefield.

An allegedly cursed tree represents a town's reckoning with a racist past.

Family-run for more than a century, this pizzeria makes a unique mustard pie.

Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.

Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.

The mysterious canine hides atop a drain pipe on the back of the building, some say as a sneaky shoutout to Yale.

The final resting place of many of New Jersey's most famous residents, including U.S. history's most in-vogue antagonist, Aaron Burr.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

Seven people are buried in the middle of what's now a movie theater parking lot.

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

World War II bunker still standing on the New Jersey beach.

This quaint New Jersey graveyard is an eternal resting place for thousands of beloved pets.

America's "second most important bell" is a contentious spoil of the Civil War.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

The final resting place of a suffragist author.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

Perhaps the most scandalous statue of America's first president.

This taxidermy horse was a Civil War hero.

A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

There’s a hidden military meme engraved on the World War II Memorial.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

The most accurate timepiece in the world.