
Old Faithful geyser

Old Faithful geyser

Old Faithful geyser

Old Faithful geyser

Old Faithful geyser

Old Faithful geyser

Old Faithful geyser

Old Faithful geyser

Old Faithful geyser

Old Faithful geyser

Old Faithful geyser

Old Faithful geyser

Old Faithful geyser

Old Faithful geyser

Old Faithful geyser

Biscuit Basin, Firehole River

Biscuit Basin, Firehole River

Upper Terrace loop drive - Mammoth Hot Springs

Snow Pond

Snow Pond
Thermal features