The site of the first "historically true" UFO encounter in the U.S.

One man's swirling six-acre monument of stone.

A once grand hotel is being retaken by the wilderness it once capitalized on.

The only ancient owl carving found east of the Mississippi.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

Memorializing an American tragedy of massive proportions.

This home is steeped in history from, George Washington to George Corwin, High Sheriff during the Salem Witch Trials.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The cave where two British judges hid in exile after sentencing the king to death.

Home of Philip Johnson, one of the 20th century's most influential architects.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.

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

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

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

Filled with history, this cemetery is maintained each summer by a few hungry goats.

A bronze plaque at an intersection in Hoboken marks the place where the game of baseball first took shape.

The boulder on which Alexander Hamilton laid his head after a deadly duel can still be visited on the New Jersey coast.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

The life of one of FDR's possible mistresses is preserved in her palatial Hudson Valley mansion.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.