For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

A small poultry graveyard in the courtyard of a popular Key West watering hole.

Built in just a little over a week this preserved bunker was created to protect our most attractive POTUS while he was on vacation.

This shop also boasts some sweet memorabilia from "Willy Wonka and the Chocolate Factory."

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

A historic neighborhood church is reborn as a psychedelic arts collective.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

The site of the climactic scene from the classic horror film is now a historic landmark.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

A whimsical sensor instrument for Minneapolitans to play on their walks to work.

Enter the Forest of the Elves.

Funhouse of found art and participatory sculpture.

The city is full of whimsical portals to another world.

Unrepaired walls from a 1920 anarchist bomb attack.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

Plot your trip through the city on the sidewalk.

The "Seinfeld" diner.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

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