This unassuming retro burger joint was billed as “diner of the future” at the 1939 World's Fair.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Nature and religion are reunited at this unconventional church in the forest.

University of New Hampshire holds the documentation and artifacts of local alien abductees.

A strange, heartwarming, decades-old declaration of love on a New Hampshire roadside.

Annual celebration commemorating the 1965 sighting of strange lights in the town.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

The remains of a century-old mansion that met a fiery demise years after it was deserted.

For almost a century, this East Village newsstand has served egg creams to beats, hippies, punks, and everything in between.

This narrow shop in the East Village hosts a matchmaking service for the new millennium.

Down a stairway in the East Village, you could once read a plaque describing an alternate history of a fictional version of Manhattan.

A collection of fanzines, recordings, and documents detailing the rise and influence of the feminist punk movement.

This iconic tattoo shop has its own onsite museum with artifacts from the early history of modern body art.

A staggering collection of photographs depicting medical, social, and historical change.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

The "Seinfeld" diner.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.