Royalty-Free National monument Photos, dominant color: gray
- 1920x1278 Public Domain
- 3072x2304 Public Domain
- 5472x3648 Public Domain
- 2200x1472 Public Domain
- 1920x1278 Public Domain
- 1920x1278 Public Domain
- 3184x2120 Public Domain
- 3992x2242 Public Domain
- 4608x3072 Public Domain
- 3184x2120 Public Domain
- 2200x1650 Public Domain
- 3184x2120 Public Domain
- 3456x5184 Public Domain
- 2000x1500 Public Domain
- 5472x3648 Public Domain
- 2000x1500 Public Domain
- 2560x1920 Public Domain
- 4896x3264 Public Domain
- 4000x2667 Public Domain
- 2200x1650 Public Domain
- 2400x886 Public Domain
- 2200x1650 Public Domain
- 2850x1932 Public Domain
- 3000x2129 Public Domain
- 1920x1056 Public Domain
- 6144x4612 Public Domain
- 3640x2131 Public Domain
- 2400x1600 Public Domain
- 2848x4288 Public Domain
- 2000x1168 Public Domain