- "Tiger" fish 146 visits
- "Zebra fish" 181 visits
- 0.9-m telescope 126 visits
- 1.5-m telescope 131 visits
- 100 launches 107 visits
- 110 m rocket 104 visits
- 14 km to KPNO 108 visits
- 180° panorama at McDonald Observatory 120 visits
- 180° panorama before leaving Kitt Peak 172 visits
- 180° panorama from Colossal Cave 141 visits
- 180° panorama from Penitentes 148 visits
- 180° panorama from Plaza de Armas 142 visits
- 180° panorama from Puente del Inca 132 visits
- 180° panorama from Saguaro National Park 138 visits
- 2019: Pig's Year 130 visits
- 24-hour surveillance 104 visits
- 3.6 m telescope 118 visits
- 4-m Blanco telescope 127 visits
- 4-m telescope 135 visits
- 55th Meeting of the AAA 106 visits
- 7-shaped hotel zone 158 visits
- 747s cockpit 83 visits
- 747s nose 80 visits
- 9/11 Memorial 164 visits