The remains of a large iron mill that once stood in the remote woods of northern Maine.

The debris forms a solemn memorial to those who died in a 1963 accident.

A roadside park in eastern Maine first marked the halfway point between the equator and North Pole with a brass pin in 1896.

The largest tidal whirlpool in the Western Hemisphere.

The miraculous hydrant that saved the Mission District in 1906.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

This shop and studio is dedicated to the art of the book, from letterpress to bookbinding.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

A huge musical instrument played by the ocean.

Brooklyn's Barkaloo Cemetery is the resting place of a scant two bodies.

Sniff the Titan Arum's rotting flesh.

A beautiful collection of architectural ornaments rescued from demolished New York City buildings.

This metal eagle one of the final remnants of a newspaper that wanted to keep Brooklyn to Brooklyn.

Ride the subways of yesteryear.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

Pluto is still considered a planet in Ithaca, New York.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.