Old Faithful Inn

The Old Faithful Museum of Thermal Activity was one of a series of four "trailside" museums built in Yellowstone National Park in 1929. Funded by a grant of $118,000 from Laura Spelman Rockefeller, the museums interpreted park features for visitors, and represented an early version of the visitor information center concept that became widespread throughout the National Park Service. The four museums were notable examples of the National Park Service Rustic style, and all were designed by Park Service architect Herbert Maier. The surviving Norris Museum, Fishing Bridge Museum and the Madison Museum are collectively listed as National Historic Landmarks.The Old Faithful museum, the first of the series, was built at a cost of $8,500 and was completed in 1929. The museum was a low T-shaped single-story structure of rustic log and stone construction. Two stepped sections of roof dominated the main portion of the building with deep overhangs supported by angled log brackets resting on a raised stone foundation sill. A perpendicular wing extended in the direction of the parking lot. The building resembled the Madison and Fishing Bridge museums. The museum's surroundings featured an amphitheater for ranger talks and a small garden of native botanical specimens.The Old Faithful museum was demolished in 1971 to make way for a full-scale Mission 66 visitor center on the site, midway between the Old Faithful Inn and the Old Faithful Lodge, facing Old Faithful geyser. This visitor center was in turn demolished in 2006 and was replaced by the Old Faithful Visitor Education Center, opened in August 2010.

Old Faithful is a cone geyser in Yellowstone National Park in Wyoming, United States. It was named in 1870 during the Washburn–Langford–Doane Expedition and was the first geyser in the park to be named. It is a highly predictable geothermal feature and has erupted every 44 minutes to two hours since 2000. The geyser and the nearby Old Faithful Inn are part of the Old Faithful Historic District.

Chinese Spring (formerly called Chinaman Spring) is a hot spring in Yellowstone National Park, Teton County, Wyoming, in the United States.Chinese Spring was named for a Chinese immigrant who often washed laundry in the spring in the 1850s.

Beehive Geyser is a geyser in the Upper Geyser Basin of Yellowstone National Park in the United States. The 4-foot (1.2 m) tall cone resembles a straw beehive. Beehive's Indicator is a small, jagged cone-type geyser located about 10 feet (3.0 m) from Beehive.

Anemone Geyser is a geyser in the Upper Geyser Basin of Yellowstone National Park in the United States. Anemone is actually two closely related geysers. The larger of the two is known as Big or North Anemone while the smaller is known as Little or South Anemone. The two geysers were named after the anemone flower by the Hague Party in 1904. Both vents have a pale yellow color and shape similar to the flower.

Hamilton's Stores were concessioners in Yellowstone National Park from 1915 to 2002. The stores were founded by Winnipeg native Charles Hamilton, who arrived in Yellowstone in 1905, aged 21, to work for the Yellowstone Park Association. The stores provided tourists with food, souvenirs, and sundries at the major attractions along Yellowstone's Grand Loop Road. Several buildings constructed for Hamilton are significant examples of the National Park Service Rustic style of architecture and have assumed prominence as attractions in their own right. Most are included as contributing structures in National Register of Historic Places historic districts.

Ear Spring is a hot spring in the Upper Geyser Basin of Yellowstone National Park in the United States. Located close to Old Faithful, on rare occasions Ear Spring will erupt as a geyser, and can shoot rocks and debris as well as water more than 25 feet (7.6 m) for a few minutes. On September 15, 2018, Ear Spring was seen on the National Park Service webcam at Old Faithful erupting for a minute and reached heights of 20 to 30 ft (6.1 to 9.1 m). This was the largest eruption the pool may have had since 1957. The eruption tossed small rocks out and the heated water killed the surrounding bacterial mats that normally thrive in less heated conditions. Likely related to the eruption of Ear Spring, a new thermal feature opened up under the pedestrian boardwalk near Pump Geyser which resulted in the National Park Service temporarily closing off the boardwalk. This new thermal feature was spouting water the night of September 18-19, 2018. Additionally, Doublet Pool and North Goggles Geyser have both been more active in the period immediately after the rare eruption of Ear Spring.

Old Faithful Lodge in Yellowstone National Park is located opposite the more famous Old Faithful Inn, facing Old Faithful geyser. The Lodge was built as a series of detached buildings through 1923 and was consolidated into one complex by architect Gilbert Stanley Underwood in 1926-27. The Lodge is included in the Old Faithful Historic District.Compared with the Inn, which is a full-service hotel, the Lodge provides only dining, social, administrative and registration services for lodgers, who are accommodated in detached cabins surrounding the Lodge. Several earlier buildings were consolidated by Underwood into the single rambling structure, with the help of National Park Service architect Daniel Ray Hull, in 1926-27. The Lodge includes a common lobby, dining spaces and a recreation hall, known as Geyser Hall, of log construction in the National Park Service Rustic style. The roof structure of the 136-foot (41 m) by 100-foot (30 m) Geyser Hall is reminiscent of Gothic wood construction, with a height of 73 feet (22 m) to the ridge. The hall is arranged with a central nave-like structure, with subsidiary side aisles.Accommodations are located behind and to the east of the lodge in "frontier cabins" with en-suite toilets and "budget cabins" with communal toilets and showers. The lodge and cabins are open during the summer season. The cabins are descendants of the original tent camps established by the Shaw and Powell Camping Company in 1913-1915. From 1919 the camp was operated by several owners under the Yellowstone Park Camps Company. Concurrent with the construction of the consolidated Old Faithful Lodge, the camp was acquired by Harry W. Child in 1928 and renamed the Yellowstone Park Lodges & Camps Company. This company was amalgamated with Child's Yellowstone Park Company in 1936.

Big Cub Geyser is a geyser in the Upper Geyser Basin of Yellowstone National Park in the United States. Big Cub is part of the Lion's Group of geysers, a cluster of geysers that all share an underground connection. The other geysers in this group are Lion Geyser, Lioness Geyser, and Little Cub Geyser.

Doublet Pool is a hot spring in the Upper Geyser Basin of Yellowstone National Park, Wyoming. Doublet Pool is 8 feet (2.4 m) deep and its temperature is approximately 194.4 °F (90.2 °C). Its scalloped edge is made of geyserite. Eruptions can occur in Doublet Pool, but only last up to 8 minutes. The pool on the right pulses over the vents about every two hours. Occasionally there will be vibrations, surface wave motion, and thumping; these effects are caused by collapsing gas and steam bubbles deep underground.

Aurum Geyser is a geyser in the Upper Geyser Basin of Yellowstone National Park in the United States, on Geyser Hill. Aurum can, at times, be very predictable. Other times it can be very erratic. Observations have led to the theory that Aurum's activity is linked to the meadow behind the geyser. When the meadow is wet, activity is regular with 3 to 4 hours between eruptions. When the meadow dries in late summer and early fall, the interval becomes less predictable ranging from 4 to 7 hours. Aurum also participates in the weekly Geyser Hill wave. It decreases and increases its interval at regular times during a week.Eruptions last about 90 seconds and range in height from 15 feet (4.6 m) to 25 feet (7.6 m). An eruption is usually preceded by bubbling in two small vents nearby. On rare occasions, an eruption will be followed by a second smaller eruption 5 to 10 minutes after the primary eruption.

Castle Geyser is a cone geyser in the Upper Geyser Basin of Yellowstone National Park. It is noted for the particularly large geyserite sinter deposits, which form its cone. These deposits have been likened in appearance to a castle.When the geyser was given this name in 1870, the top edges of the structure resembled the typical profile associated with the modern concept of a castle, having the appearance of a large keep, multiple turrets, and especially because of the crenellation along the top edges of what resembled its towers. As the drawing below shows the cone had distinctive appearance at the time. Over time the cone's shape changes because of the layers of mineral deposited in successive eruptions.