Murder scene memorialized in perpetuity by grisly obelisk.

A gas station and a state sign commemorating the most famous claims of extraterrestrial abduction.

Believed by many to be the oldest surviving public monument in the United States.

A real-life hidden Easter Egg in New Hampshire's capital city

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

Dedicated to "the father of U.S. life insurance."

The classic Christmas carol was written at this Massachusetts tavern in 1850.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

An artifact taken from one of America's shortest wars.

Supposed Massachusetts Grave of a pre-Columbus Knight Templar.

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

Around 100 sculptures from artists all over the world decorate the hiking trails surrounding this locale.

A popular 19th-century natural landmark is now hidden within a sprawling forest.

The Vermont grave of a 4,000-year-old mummy prince.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

A beautiful Victorian-era cemetery, complete with a miniature village.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

A historic bridge with a lovely acoustic anomaly.

Maybe the only missile installed in a public park, this Cold War leftover was one of the first to carry a nuclear warhead.

A very big rock just plopped down in the New England woods.

The largest arcade museum in the world chronicles the golden age of video games which ended promptly in 1987.