(Photo/Alexey Kljatov)

The Tibetan Plateau and a portion of the Himalayan Mountain chain.

http://earthobservatory.nasa.gov/IOTD/view.php?id=1216

Ferns

https://www.flickr.com/photos/calliope/

Salt Ponds located near the San Francisco Bay area.

https://www.flickr.com/photos/superfem/

Sunflower

https://www.flickr.com/photos/jon_roberts/

Lake Nasser, Egypt.

http://visibleearth.nasa.gov/view.php?id=5988

Mountains

https://www.flickr.com/photos/c32/

Romanesco broccoli.

https://www.flickr.com/photos/cyclonebill/

Waterfalls

https://www.flickr.com/photos/anieto2k/

Fossil Nautilus

https://www.flickr.com/photos/hitchster/

Trees

https://www.flickr.com/photos/elsie/

Stalactites and stalagmites

https://www.flickr.com/photos/94941635@N07/

Leaf

https://www.flickr.com/photos/knottyboywayne/

Clouds

https://www.flickr.com/photos/26116471@N03/

Bryce Canyon sunrise.

https://www.flickr.com/photos/kinglomo/

Lightning

https://www.flickr.com/photos/oregondot/

Aloe polyphylla

https://www.flickr.com/photos/brewbooks/

A beautifully-formed low-pressure system swirls off the southeastern coast of Greenland, illustrating the maxim that “nature abhors a vacuum.”

http://visibleearth.nasa.gov/view.php?id=68992

Frost crystals

https://www.flickr.com/photos/armydre2008/

Pine Cones

https://www.flickr.com/photos/tian2992/

Spiral Galaxy

http://www.nasa.gov/multimedia/imagegallery/image_feature_2132.html