In general, do not use an article with a proper noun unless the noun contains a prepositional phrase.
the MIT, the America
MIT, America
United States of America
the United States of America
However, there are special cases to take note of.
Charles River, Atlantic Ocean, Harvard Bridge, Northeast, Computer Museum
the Charles River, the Atlantic Ocean, the Harvard Bridge, the Northeast, the Computer Museum
Galapagos Islands, Great Lakes, Rocky Mountains
the Galapagos Islands, the Great Lakes, the Rocky Mountains
the Long Island, the Lake Superior, the Mount Washington
Long Island, Lake Superior, Mount Washington