1. Antelope Canyon, AZ
Located 4,000ft above sea level within the LeChee Chapter of the Navajo Nation, Antelope Canyon offers picture-perfect panoramas for lovestruck outdoorsy folks. Formed by the erosion of Navajo Sandstone due to wind, water and time, the photogenic slot canyon is the perfect backdrop for sweet snaps thanks to its deep corridors, smooth edges, and 'flowing' sandstone. Access is by permit only, and Navajo guides lead tours through the captivating canyon.