A mysterious stone embedded at the base of a historic Boston building.

This historic patch of real estate offers a glimpse of colonial Boston.

This "life-size" depiction of Mickey Mouse as a half-lobster is both whimsical and a bit creepy, standing guard over the Boston waterfront.

"Excuse me sir, your submarine is blocking my building."

One of the indelible moments of the American Revolution took place at this location.

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

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

Sacks of potatoes, made of cast stone, mark where the iconic potato sheds once stood along the river.

The world's largest piece of copyrighted artwork.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

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

The headquarters in Salem doubles as an occult art gallery.

Founded in 1788, this Rhode Island institution is the oldest operating general store in America.

A feat of railway engineering required to bypass a muddy quagmire.

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

Like stepping into a spooky fairy-tale, this shop carries the dark ideas of artists and other makers.

This statue intended for children to enjoy became a minor political spat.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

Mural fragments and various sculptures honor the longtime artist.

The largest glacial erratic boulder on Cape Cod.

These three lighthouses played a fundamental role in the maritime life of Eastham.

The Cape Cod house that whaling built.

The legendary court where emerging basketball players gain their street cred.

A New York garbage depot holds a secret collection of weird and wonderful refuse.