by Kriemilde on Flickr.Wooden paths in Brenschtzklamm gorge, Austria.

by Kriemilde on Flickr.Wooden paths in Benschzklamm gorge, Austria.

Spiral Staircase, Gustav Moreau Museum, Paris

Spiral Staircase, Gustav Moreau Museum, Paris

by onkelshark on Flickr.Stroll through the village of Valkenburg aan de Geul, Netherlands.

by onkelshark on Flickr.Stroll through the village of Valkenburg aan de Geul, Netherlands.

Blue Mosque at sunrise, Istanbul, Turkey

Blue Mosque at sunrise, Istanbul, Turkey

Azure Window, Malta

Azure Window, Malta

Frozen Abraham Lake in Banff National Park, Canada

Frozen Abraham Lake in Banff National Park, Canada