The homestead of American patriot John Adams.

Trash escaped from a landfill to fill beaches with all kinds of treasure.

An eccentric inventor's castle home with its own indoor weather system.

An alternate history park where the Union Army loses the war... to dinosaurs.

A steampunk wonderland that preserves America's history of industrial innovation.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

The oddly shaped, steam-spewing building is now an art studio and gallery.

The oldest playground in America.

A historic bridge with a lovely acoustic anomaly.

The macabre paintings created by famous suicide proponent Jack Kevorkian, or "Dr. Death."

This tower pays homage to a legendary Viking fort established in Massachusetts that never really existed.

One of the largest public collection of historic armored and military vehicles in North America.

Try a classic Necco candy bar being resurrected in a small suburban shop.

This classic red schoolhouse is said to have been where Mary and her little lamb went to school.

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

Once a kitschy symbol for a gift shop, this 38-foot seahorse is now a staple roadside attraction.

For 20 years, this whale skeleton has been slowly dripping oil on the floor of the museum where it hangs.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

The poems Nathaniel Hawthorne and his wife Sophia etched into its windows are still visible today.

A Harvard-area eatery preserves the uncovered tiles of its century-old predecessor.

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

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