A spooky and decrepit mental health facility is slowly being replaced with newer digs.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

A grave surprise in the downtown area of New England's second-largest city.

The Burnside Fountain and its questionable interpretation.

Historic Hull Street was actually the first street with a proper name in the Boston area.

This parking garage was the site of what was - at the time - the largest cash robbery in history.

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

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

The last remaining 19th-century tenement from Boston's old West End neighborhood.

The world's largest Holstein cow.

A monument to the center of the North American continent may be off by a few miles.

A true roadside icon standing on the same plains that the herds once roamed.

One man's quest to save his town with a trail of record-breaking sculptures.

The remnants of an early American attempt at missile defense.

This sidewalk tribute honors Colorado's great culinary creation.

A roadside attraction filled with an astounding array of gloriously wacky vehicles.

There are eight natural springs around town, each with a slightly different taste.

This iconic science fiction house still looks like something from the future.

An annual festival celebrating Colorado's most famous frozen corpse.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

The highest bridge in America was built for an almost unnervingly small amount of money.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.