![Panorama of Yellowstone Lake displaying colourful flow of deadly acid; UA-92916515-1](https://cdn.myportfolio.com/d5046ceac047fd73148e072b87c07a27/88c4e8568c31f669d5f97e02_rw_1200.jpg?h=2ab24bd7d3bd3be2e3f5124e3bfb0418)
Panorama of Yellowstone Lake displaying colourful flow of deadly acid
![Sulphuric pond flowing into Blue Pond at Yellowstone NP; UA-92916515-1](https://cdn.myportfolio.com/d5046ceac047fd73148e072b87c07a27/c9ba9ee620a4386bf1694bd8_rw_1200.jpg?h=2a01bca37597d7344e6e7cd2d54e0f19)
Sulphuric pond flowing into Blue Pond
![Sign at Tom Thumb geyser explaining the terrain; UA-92916515-1](https://cdn.myportfolio.com/d5046ceac047fd73148e072b87c07a27/00cd86fa6ec981148da2df9f_rw_1200.jpg?h=de8deedc92d928dc75581dedc7bd3b19)
Sign explaining the lay of the land
![Small Volcanic crater at surface of lake, Yellowstone NP; UA-92916515-1](https://cdn.myportfolio.com/d5046ceac047fd73148e072b87c07a27/8b9c1716bc7dd5841d4d5fa0_rw_1200.jpg?h=cb466a3ef3ec37308a2fc88a675493f2)
Volcanic crater at the surface of the lake
![Tom Thumb Geyser displaying beautiful colours; UA-92916515-1](https://cdn.myportfolio.com/d5046ceac047fd73148e072b87c07a27/113e8bc7606fc9a4b9fb0507_rw_600.jpg?h=32d98d9537c77cefe24a64320ff43085)
Tom Thumb Geyser from a safe distance-displaying beautiful colors
![View of the surphuric ponds at Yellowstone NP-through the dead tree trunks; UA-92916515-1](https://cdn.myportfolio.com/d5046ceac047fd73148e072b87c07a27/691b3ca7fa326d714a4e8a63_rw_600.jpg?h=e8fa76c9302ce210ec4e9237b4e06cb8)
View of the ponds through the deadwood
![Visitors viewing steaming pond at Yellowstone NP; UA-92916515-1](https://cdn.myportfolio.com/d5046ceac047fd73148e072b87c07a27/b3214fb65b24ef330fb49a1f_rw_1200.jpg?h=65bcf847a3a046f14d8da50485c9d10b)
Visitors viewing steaming pond from the boardwalk
![Dangerous ponds with sulphuric steam at Yellowstone NP; UA-92916515-1](https://cdn.myportfolio.com/d5046ceac047fd73148e072b87c07a27/57f7e990f3532f10773cf36d_rw_1200.jpg?h=1c949267e2ac73237afc376168190cfe)
Dangerous Ponds with sulphuric steam
![Bison at Yellowstone NP preparing to charge; UA-92916515-1](https://cdn.myportfolio.com/d5046ceac047fd73148e072b87c07a27/5e0409b99d0693f6acd840a3_rw_1200.jpg?h=d31a647e0b1ec084f1186d17a908f8bc)
Bison preparing to charge!
![Beware of charging bison at Yellowstone NP; UA-92916515-1](https://cdn.myportfolio.com/d5046ceac047fd73148e072b87c07a27/6acbce08fa247060ce6f12d5_rw_1200.jpg?h=e46e81b71c8f6c442cfe4ce619e6c48c)
Beware of Charging Bison - no pets here
![Landscape extremes at Yellowstone NP; dried mud and steaming mists; UA-92916515-1](https://cdn.myportfolio.com/d5046ceac047fd73148e072b87c07a27/5f89568da957f24ecdf0ec13_rw_600.jpg?h=43cb27a2b5c1663f1b60d1bbcbd90530)
Extremes - dried mud and steaming mists
![Mud Volcano, spewing mist and mud at Yellowstone NP; UA-92916515-1](https://cdn.myportfolio.com/d5046ceac047fd73148e072b87c07a27/2c56655c137fd4e25b83fdf7_rw_600.jpg?h=259e2bc2757c8d5efe8a244c8ab458d2)
Mud Volcano spewing mist
![Poisonous sulphur mist at Yellowstone NP steam ponds; UA-92916515-1](https://cdn.myportfolio.com/d5046ceac047fd73148e072b87c07a27/ba3d80a2906fec3b93616cc8_rw_600.jpg?h=51f86766fbc7fded27d5f4cc1b874035)
Poisonous sulphur mist at Yellowstone steam ponds
![Lupins and Bison in the landscape at Yellowstone NP; UA-92916515-1](https://cdn.myportfolio.com/d5046ceac047fd73148e072b87c07a27/ad27d0232d6a624b9d0a6eca_rw_1200.jpg?h=e254c3bc8b5ba8cdd3877c26c47a23ff)
Lupins and Bison in the landscape
![Waterfalls at South Rim of Yellowstone NP; UA-92916515-1](https://cdn.myportfolio.com/d5046ceac047fd73148e072b87c07a27/43e01025748d3e15285d1ec9_rw_600.jpg?h=2c00d3e460ca0c091ae8548fe2d6136d)
Waterfalls at South Rim of Yellowstone National Park