A farmer walks past a terrace of codonopsis pilosula, a traditional Chinese medicine also known as dang shen, in Min county, Gansu province

São Miguel, Azores, Portugal

The Georgian Bay Grotto, Ontario, Canada

Desolation Wilderness, Sierra Nevada, CA

Relaxing Sounds of Waves

Avenue of the Baobabs, Madagascar

Great Sand Dunes National Park and Preserve

Jenolan Caves, Blue Mountains, NSW, Australia

Devetashka Cave, Bulgaria

Onondaga Cave, Missouri

Boulder, CO after light snow dusting

Vermillion Lakes, Canada

Jim Jim Falls, Kakadu National Park, Australia