Flagstaff, Arizona
Pluto Discovery Telescope
A planet-hunting astrograph built in the 1920s to seek out the so-called "Planet X" beyond Uranus.
Places I want to go
Places on this traveler's wishlist.
Flagstaff, Arizona
A planet-hunting astrograph built in the 1920s to seek out the so-called "Planet X" beyond Uranus.
Flagstaff, Arizona
This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.
Lake Powell, Utah
The damming of the Colorado River buried an iconic geologic formation before record-breaking drought brought it back.