Town Bridge Pond Info, Nevada

The Chesapeake Bay covers 2,500 square miles and is the largest estuary in North America. An estuary is a partially enclosed area where the fresh water from rivers mixes with tidal salt water. The Chesapeake Bay was formed over 10,000 years ago when melting glacial ice caused sea levels to rise in the Atlantic Ocean.

Virginia Beach is an independent city located in the South Hampton Roads area of Virginia, on the shores of the Chesapeake Bay and the Atlantic Ocean. It is the most populous city in Virginia and the 41st largest city in the United States, with an estimated population of 435,619 in 2006.

With up to 8 million visitors a year, the Lake Mead National Recreation Area is one of the most popular parks in the United States.