Western US
Hoover Dam #1
1980-06-05
Hoover Dam #2
Hoover Dam #3
Lake Mead
Lake Tahoe #1
1980-06-07
Lake Tahoe #2
Lake Tahoe #3
Lake Tahoe #4
Carlsbad Caverns #1
1988-06-01
1988-06
Carlsbad Caverns #2
Carlsbad Caverns #3
Carlsbad Caverns #4
Carlsbad Caverns #5
Entrance