| Yellowstone NP-West Thumb
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 031 West Thumb - Bluebell Pools.jpg |
 032 West Thumb.jpg |
 033 West Thumb.jpg |
 034 West Thumb.jpg |
 035 West Thumb - Collapsing Pool.jpg |
 036 West Thumb - Surging Spring.jpg |
 037 West Thumb - Percolating Spring.jpg |
 038 West Thumb.jpg |
 039 West Thumb - Perforated Pool.jpg |
 040 West Thumb - Perforated Pool.jpg |
 041 West Thumb - Hot Spring.jpg |
 042 West Thumb - Ephedra Spring.jpg |
 043 West Thumb.jpg |
 044 West Thumb.jpg |
 045 West Thumb - Twin Geysers.jpg |