69 articles
Spring
Spring (hydrology): a land-surface point where groundwater discharges from an aquifer, also called a gravity, artesian, rheocrene, limnocrene, or helocrene spring; classified by hydraulic head, flow permanence, temperature, and geomorphology.
Steamboat Geyser
Steamboat Geyser, in Norris Geyser Basin, Yellowstone, is the world's tallest active geyser, with major eruptions over 91 m, intervals of 3 days to 50 years, and active phases in the 1960s, 1980s, and since 2018.
Sulphur spring
Sulphur spring (sulfur spring): a spring whose water contains natural sulfur compounds, usually hydrogen sulfide with a rotten-egg odor; volcanic or petroleum-derived, acid-sulfate chemistry, mineral deposits, and historical balneotherapy use.
Széchenyi thermal bath
Széchenyi Thermal Bath (Széchenyi Gyógyfürdő), Budapest's largest medicinal bath in City Park, opened 1913 from Győző Czigler's Neo-Baroque design, fed by artesian wells drilled by Vilmos Zsigmondy, with 18 pools.
Terme di Saturnia
Terme di Saturnia: sulfurous thermal springs at Saturnia, southern Tuscany, emerging at 37.5°C and 500 L/s after a 40-year underground journey; free Cascate del Mulino pools plus a resort and thermal park.
Termini Imerese
Termini Imerese (ancient Thermae Himeraeae, Θερμαὶ ῾Ιμεραῖαι) is a Sicilian coastal town 39 km from Palermo, founded by Carthaginians after 409 BC, an Augustan colony famed for hyperthermal springs of about 43 °C, Roman baths, aqueduct, and amphitheater.
Thermopolis, Wyoming
Thermopolis, Wyoming: county seat of Hot Springs County in the Bighorn Basin, home of Hot Springs State Park, Big Spring (3.6 million gallons/day at 135°F), and the free State Bath House guaranteed since the 1896 Shoshone-Arapaho cession.
Valley of Geysers (Долина гейзеров)
The Valley of Geysers (Dolina Geizerov) is a geyser field in the Kronotsky State Nature Reserve on the Kamchatka Peninsula, Russia, discovered in 1941 by geologist Tatiana Ustinova.
Zamzam Well (بئر زمزم)
Zamzam Well (بئر زمزم) is a 30.5 m hand-dug well in the Grand Mosque's Mataf, about 21 m east of the Kaaba, feeding the mineral-rich, alkaline Zamzam water, monitored by the Saudi Geological Survey and bottled under the King Abdullah project.