This "layered landscape" with its hills was taken near the town of Povoação on the island of São Miguel, part of the Azores, Portugal. It's a stiched version of multiple shots. As far as I remember, no filters were used.
Technical Details: Canon EOS 7D, f/8.0, 0.002 sec (1/640), ISO 100, -2/3 EV, 24 mm
Copyright © 2012 Michael Mehl. All rights reserved. All photographs within my account are protected under copyright laws. No photograph shall be copied, reproduced, republished, downloaded, displayed, modified, transmitted, licensed, transferred, sold or distributed or used in any way by any means, without prior written permission from me.