18 november 2015 Gerhard

Boneyard

17 november 2015 Gerhard

Saguaro

16 november 2015 Gerhard

Biosphere 2

15 november 2015 Gerhard

To Tucson

14 november 2015 Gerhard

Gila Cliff Dwellings

13 november 2015 Gerhard

Gila Wilderness

12 november 2015 Gerhard

City of Rocks

11 november 2015 Gerhard

Blinkers and steaks

10 november 2015 Gerhard

Guadalupe Mountains

9 november 2015 Gerhard

Carlsbad Caverns