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

The graphic designer Rudolph de Harak created a three-story digital clock installed on the exterior of 200 Water Street. The clock consists of 72 square modules with numerals that light according to date, hour, minute and second.

Secondhand works of fiction, film & philosophy sold in a shop with gatherings & special events.

Having the experience of owning and running a coral reef aquarium (and frequenting this particular shop about once a week) - I was sad to hear it closed it's doors. Their reef display tank was always amazing. These pictures were taken from PetCo at Union Square (I also used to go there for my saltwater needs).

Pratt has an amazing sculpture park open for everyone to see.