An enormous, inside-out glass globe built in 1935.

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

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

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

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

Three prestigious academic collections come together to create a world-class natural history museum.

Impossibly life-like natural history models created out of glass by a father and son.

This massive World War II calculator hearkens back to the days when "computer" was a job title.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

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

Memorial to a beloved puppeteer as well as all street performers.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

According to folklore, Vermont's slanted windows were installed to keep witches from flying into the house.

The home of the artist credited with introducing the tomato to the American diet.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

The Hudson River School comes alive at this palatial estate.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

One man's swirling six-acre monument of stone.

Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.

A grotesque Fiji merman dwells within this traditional Dutch-style building.

The massive machine creates cracking displays of indoor lightning.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Perhaps the most scandalous statue of America's first president.