Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

Friction between grains of sand cause a curious "singing" sound.

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

One man's psychedelic fence is painted with his cacophonous folk art musings on the world.

This tiny, painted door at the base of a tree stump has been a fixture of the Harvard University campus for decades.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

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

From bench to vandalism to art, this silly prank seat was funny enough to become permanent.

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

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

Radical Bookstore and Community Space.

Beautiful steampunk ghosts of early Massachusetts.

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

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

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

A museum dedicated to exhibiting remarkable outsider art.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

This beautiful, historic church looks like something out of a simpler past.

This stunning concert hall has become a symbol of Iceland's national recovery.