This impressive working clock made of 16,000 plants changes its flowers twice a year.

Electrical pylon in the shape of Disney's beloved mouse.

This sprawling 18th-century cemetery features unique and beautiful gravestones, including one shaped like a tree.

A monument to the Mohawk people stands along an old Native American trade route.

The world's largest piece of copyrighted artwork.

The oldest working bell set in North America, the bells at Old North Church sat silent for their first four years in Massachusetts.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

One of America's most historic homes also holds a startling literary legacy.

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

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

The massive machine creates cracking displays of indoor lightning.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The ruins of a Massachusetts prison farm can still be found crumbling the woods of a state park.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

The site of Paul Revere's historic two lantern warning.

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.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

The Boston square dedicated to the dark poet who was born nearby.

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

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

Largest institutional collection of tomb figures from Western Mexico in the United States.