mountain range in montana with melting snowfield in the foreground, blue skies and white clouds in the background.

america background blue sky glacier national park holiday landscape montana red shadows skies spring texture usa united states adventure aerial backgrounds canyon cliff clouds cloudy colorful daylight daytime erosion fine art foilage forest grass green hiking hills land light mountains nature pine trees plant plants portrait purple rock formation formations rocks rough screen saver screensaver slope snow field summer sunshine tourism tourist travel tree vacation valley wilderness