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

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

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

This little museum is built on a theater that was once a wildly elaborate speakeasy.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

A terrific purveyor of natural history objects and curios.

Community bookshelf of 25-foot-tall book spines.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.