you see thalf moon, which was henry hudson's ship.e other side is a windmill, which refers to the original dutch settlers of new york. and then on the top is the great monumental sculptural element, which has three gods. >> the gods -- hercules, mercury, and minerva -- came from greek and roman mythology. they represent strength, commerce, and wisdom. even the clock is special. tiffany glass lines the numbers and the hands. >> it's very difficult to see, but when the light shines on it, it's quite beautiful and picks up in different colors. this is a really wonderful -- probably one of the most spectacular places to be in grand central and in the entire city. not very many people actually get to come up here. but what you can see from here that you can't see from down below -- first of all, you get a sense of the scale of the building, how large it really is. you get to experience the many different kinds of motion that occur here. kristen, behind you is the information booth, which is really at the center of the main concourse. it's

the hudson river named after henry hudson who did so much exploring of this continent really before the nation was here. before, well, before we had an america, henry hudson was looking around, poking around in his ship, the half moon. now enterprise, a craft, that didn't, as jenna said, didn't make it into space but provided so much information about shuttles that followed on. enterprise will be sitting on board the carrier there in the intrepid in the hudson river. jenna: will be amazing to see. i want to correct something. we have a lot of different space shuttles going a few different areas in the country. i misspoke a few moments ago that the space shuttle endeavour is in the smithsonian. that is not the case. the space shuttle columbia is in smithsonian. people will look at the endeavour in a couple weeks as it goes out to los angeles. a lot of different space shuttles going around the country so we all get a up-close look really at our space program and a vantage point, obviously we don't get to see every day now. see the little american flag on the tip top of the plane? jon: rig

. >> discovery was named for henry hudson, when he explored the hudson river.icans, have been, have really left a mark in what they did. and so discovery was named in their honor. and here we are now, in the present day. >> there's a great shot. the washington monument. this is from our city camera, i believe. it does look like it's passing right over downtown washington, not just over the potomac. it's flying right over downtown. so people who live in the northeast, southeast, maryland, are able to see it now. it looks like it's passing over takoma park, that park, college park, that part of maryland. there's the tower along georgia avenue. now coming towards the mall again. looks like it's moving from the north and it's about to make pass number four. this may be the final one. >> and after that, it will head to dulles airport before being moved over to the stephen udvar-hazy center, i can't wait until tomorrow we're going to see some magnificent photographs, some artistic beautiful shots of discovery with the back drop of the nation's capital, the monuments