The United States's largest hand-dug well is topped with a state-of-the-art museum.

Sleep snuggled in a sphere suspended atop the forest canopy of Vancouver Island.

Two islands just 4 km apart separated by an International Border and Date Line.

Low tide reveals 8,000-year-old rock carvings in Southern Alaska.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

North America’s largest collection of horological devices and home to a colossal clock with a dizzying array of features.

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

The mummified relics of an American missionary.

Harlem park dedicated to compulsive hoarders killed by their own junk.

A crumbling staircase in upper Manhattan is all that remains of one of the most important sites in sports history.

A Manhattan Episcopal church with an eerie underground crypt.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

On this island, you suck away your garbage via an elaborate pneumatic tube system.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

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

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

Walk over a 150 year old manhole.

Salute the leader of the proletariat.

Phil Mortillaro uses keys to bring art back to the Village.

Whether you're up or down, the Elevator Museum is worth a stop.