Beautiful steampunk ghosts of early Massachusetts.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

The world's largest piece of copyrighted artwork.

The massive machine creates cracking displays of indoor lightning.

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

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

Elvis's own personal tropical hideaway.

The bad-ass ride of a soul legend, housed in one of the world's few soul museums.

The juke joint where legendary soul artists ate, drank, and made merry.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

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

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

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

This impressive Boston holy house is the American mecca for Christian scientists.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

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

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

The final resting place of New Orleans' most famous voodoo priestess.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.