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

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

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

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

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

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

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

The oldest lighthouse on America's west coast no longer needs keepers, yet they maintain the site anyhow.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

This eagle-topped spire remembers the military commander who snatched up California for the United States.

Fake rail crossings mark the site of an influential doctor's demise.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

Steinbeck's old stomping grounds, immortalized in Cannery Row.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

This municipal playground was co-created by the father of one of the most playful characters ever.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

A winding district gerrymandered into the shape of a mantis.

FDR's Art Deco hospital tower was hopelessly inefficient.

A Civil War Museum with some notable medical antiques.

A priceless collection of the Nation's cryptologic history.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

A museum dedicated to exhibiting remarkable outsider art.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.