See allIreland's Best (and Best Kept Secrets)

by , SmarterTravel Staff - March 7, 2010
Ireland: Poulnabrone Dolmen

The Burren

With more than 100 square miles of natural limestone in County Clare offering ancient stone structures, grassy fields, caves, and jagged countryside, the Burren is an explorer's dream. Among the top sites to see while visiting are the Ailwee Caves, a two million year old cave system; the Poulnabrone Portal Dolmen, an ancient stone tomb dating between 2,000 and 2,500 B.C.; Leamaneh Castle, with its 15th-century residential tower and 17th-century fortified home; and Caherconnell Stone Fort, a nearly perfectly preserved structure dating back between 400 and 1200 A.D.

(Photo: iStockphoto/JANE MCILROY)

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