Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

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

Shelves covered in dozens of coffee bean varieties fill this North End institution.

The world's largest piece of copyrighted artwork.

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

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

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

No one messes with the Massachusetts sacred cod, not this time...

Museum dedicated to awful artwork.

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

The kind of mixed-up place that drives archaeologists crazy.

This Oakland fairytale kingdom, fiercely devoted to childlike whimsy, was an early inspiration for Disneyland.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

One woman's Viking Castle on Lake Tahoe.

Bits and pieces from the ill-fated Donner Party's winter cabins.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

The subtle science of a master molecular gastronomist.

One car at a time please.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

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

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