Ruins to Visit in Puerto Rico

Columbus discovered Puerto Rico on his second journey west.  He landed there in November, 1493.  Here is a link to some history of the discovery.  http://bit.ly/r9rjM5

There are ruins at San Juan, Caparra, Aguadilla, Punta Borinquen, and Mona to name some. 

Here's a great source on Puerto Rico Travel - http://www.topuertorico.org/tinfo.shtml