The Philadelphia International Airport is the 9th busiest airport in the world. The Philadelphia Marketplace Food, Shops and services at the airport have a mind-boggling number of eateries, retail stores that sell everything that one can think of, and a number of newsstands.
(See a gallery of plesiosaur and pliosaur pictures.) Plesiosaurs (Greek for almost lizards) were large, long-necked, four-flippered marine reptiles that paddled their way through the oceans, lakes, rivers and swamps of the Jurassic and Cretaceous periods.
The first Plesiosaur was discovered in 1821 by Mary Anning, in England. Mostly found in the Benthic zone, they can also be found in the intertidal zones as well. Modern mysteries around the Plesiosaurs . The most famous mysteries around these creatures is the Loch Ness Monster. There are a lot of stories of some large creature in the lake called Loch Ness in Scotland. Most descriptions of the monster are close to what the Plesiosaurs must have looked like. Some of the sightings have been proven to be a hoax and at present there is no scientific proof of the existence of the animal but many people believe in it.