Abandoned Union Pacific
© Timothy B. HackerMale Grosbeak
© Debra DorothyAnchoring the dream
© Anindya PhaniFrame and Framed
© Connie J. Bagotdahlia
© William StarkMoving Walkway, National Gallery of Art, Wash., DC
© Lisa BantingSt. Josephat Staircase
© Leslie McLainNative American Celebration
© Jennifer D. ParksLesson #5 Replace the Sky
© feliciano j. jusay