It is located in Page, Arizona, USA.
Do some research online. Book a photography tour before you visit this place. Else tripod is not allowed for the general tours.
It is the sacred land of Navajo people. It was my first visit to this place. Did a mistake by not booking the tours before I left for this place. This shot was taken in lower Antelope Canyon. Trust me, both the lower and upper canyon are more beautiful than what we see in pictures. I was mesmerized by the color and textures. Everywhere you look, you see pictures. Even a whole day is not sufficient to capture the beauty this place offers. If you ever get a chance do visit the lower/upper antelope canyons do not miss it!