Here is the list of challenges from 2020. All challenges remain open. Feel free to browse and contribute to any past challenges.
December 31, 2020 challenge: Abandoned
December 24, 2020 challenge: No challenge (Merry Christmas)
December 19, 2020 challenge: Christmas
December 10, 2020 challenge: Working with Animals
December 3, 2020 challenge: Cracked
November 26, 2020 challenge: #GiveThanks
November 19, 2020 challenge: Laughter
November 12, 2020 challenge: Joy
November 6, 2020 challenge: In Memoriam
October 28 2020 challenge: Feet
October 22, 2020 challenges: Cityscapes
October 15, 2020 challenge: Masks
October 8, 2020 challenge: The Road Not Taken
October 1, 2020 challenge: October
September 24, 2020 challenge: Up Close and Personal
September 17, 2020 challenge: Something Baked
September 10, 2020 challenge: Action in Series
September 3, 2020 challenge: Hats Off
August 28, 2020 challenge: Vacation Memories
August 20, 2020 challenge: Nostalgic
August 14, 2020 challenge: Happiness Is…
August 6, 2020 challenge: Attitude
July 30, 2020 challenge: Tower
July 23, 2020 challenge: Rainbows
July 16, 2020 challenge: Insects
July 9, 2020 challenge: Threes and Threes
July 2, 2020 challenge: Squirrel!
June 18, 2020 challenge: Anything
June 11, 2020 challenge: Water
June 4, 2020 challenge: Light and Dark
May 28, 2020 challenge: Footwear
May 21, 2020 challenge: Opening
May 16, 2020 challenge: Coronavirus Changes
May 7, 2020 challenge: Fleeting
April 30, 2020 challenge: Summer Vacation 2020
April 23, 2020 challenge: Just for Fun
April 16, 2020 challenge: Peaceful Place
April 9, 2020 challenge: Glass
April 2, 2020 challenge: No challenge (thanks, coronavirus)
March 27, 2020 Challenge: Changing Seasons
March 19, 2020 challenge: Up In The Air
March 12, 2020 challenge: No challenge
February 27, 2020 challenge: Light the Night
February 20, 2020 challenge: Over 100 Years Old
February 13, 2020 challenge: Sleeping
February 6, 2020 challenge: Eyes
January 30, 2020 challenge: Lancscape
January 23, 2020 challenge: Three Angles
January 16, 2020 challenge: Work