Explore the dark underground corridors of this graffiti-covered former military fortification.

Its unique collection details the history of the state's svelte railroads.

A giant telephone commemorates the last "crank" call ever made in the U.S.

An unusually designed bridge from the 1920s was built to withstand the tides and winds of Maine.

The world's largest rotating world.

Ice cream stand, snack bar, and time capsule of milk conveyance.

This historic Boston building has gone from personal estate to porn theater and back again.

The first bell ever cast in Boston was cast by Paul Revere...and sounded terrible.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

Dim sum, served in a grand old theater.

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

These whimsical works of art tell the story of the city's past and present.

A mural of a boy making a phone call connects a southern Maine community to a town in Iraq.

America's oldest archaeological site or a muddled case of wishful thinking.

Originally a brothel during the Klondike Gold Rush, this bar once used dolls to denote when ladies were working.

The oldest tavern in Lowell has dedicated fans of its fan.

A monument park dedicated to the influential Beat Generation author and poet, Jack Kerouac.

The two writers famously didn't come to blows over the Oxford comma.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

Millions of numbers carved in glass represent the tattoos forced upon victims.

The world's largest piece of copyrighted artwork.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

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

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