In general, do not use an article with a proper noun unless the noun contains a prepositional phrase.
the MIT, the America
the United States of America
However, there are special cases to take note of.
Charles River, Atlantic Ocean, Harvard Bridge, Northeast, Computer
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