An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

An abandoned gun-funded 19th century utopia.

A tiny memorial for the year the Connecticut River almost destroyed New England.

The oldest place in Hartford is a cemetery with thousands of bodies stacked beneath the grass.

An easy-to-miss plaque marks the building that first held this 19th-century telephone innovation.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

Pennsylvania's own Roswell-style UFO mystery.

A larger-than-life statue of America's favorite sundae marks the place it was invented.

A beautiful oddities shop crammed with strange and morbid curiosities.

The god of wine stares out at passersby on this busy Pittsburgh thoroughfare.

Despite being stolen multiple times, this civic electrician's street corner Snoopy won't be stopped.

When oil was discovered just outside of Pittsburgh, the city became home to this regional stock market.

The Master of Magnetism dominates the walls of a scrap metal yard to keep graffiti artists at bay.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

Nothing says indulgence like a 1,500-pound chocolate castle.

The ballpark in "Pigtown" where the Brooklyn Dodgers made their name was replaced with a huge apartment complex.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

An artist's cute bronze subway sculptures belie his violent artistic past.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

Home of the only civilian casualty at the Battle of Gettysburg.