escee.com TRAVEL - West Mainland - 1/15 The next day, we set out to explore the western part of the biggest island in the Orkney archipelago, adorably called Mainland. Orkney is more well known for its neolithic sites. Here are the Standing Stones of Stenness. Copyright © 2006-2019 RTR/escee.com. All rights reserved. Neither photos nor content may be reproduced without express written consent from copyright holder.