Plymouth's huge yet little-known memorial to the Pilgrims.

A comic book store got the road by its shop officially renamed after Superman's girlfriend.

This site commemorates the former inn and restaurant where the chocolate chip cookie was first crafted.

The remains of a hospital ravaged by fire, once a progressive place of innovations for disabled children.

This historic cemetery is filled with markers that look more like candy than was likely intended.

This area was once known for being a lawless haven for rough-and-tumble sailors, earning the maritime-themed nickname "the black sea."

This abandoned neighborhood is now a park filled with beautiful trees, wildflowers, and hints of its past.

This boulder with a 200-word legal dedication to God has remained hidden in the woods for over 150 years.

One man is on a singular quest to name an island after a famous hip-hop artist.

The strikingly modern structure stands out among the brick buildings speckling the Harvard Business School's campus.

This small glass cube is a peaceful out-of-the-way sanctuary at the busy airport.

This dam in the woods, built by Henry Ford with only manpower and oxen, holds no water and serves no purpose.

Statue commemorating the use of ether in anesthesia.

The remnants of a Gilded Age elegance preserved in the middle of a stark modern tower.

An 80-year-old house built out of newspapers.

Overgrown ruins of a turn of the century island fort that sees very few visitors.

The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

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

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

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

"Mock all and sundry things, but leave the saints alone."

No one really knows how these old hobby horses got here, but the herd keeps growing.

One of the now-less-hidden floral gems of the "Emerald Necklace."

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.