These thermal springs show natural hot water sources across the world. The waters contain minerals and steam near mountains or rest between plants. The springs exist in different regions, from Iceland to Japan, offering various temperatures and mineral compositions. Locations range from urban baths to mountain springs.
Grindavík, Iceland
The geothermal spa originated from power plant overflow water and sits within a black lava field.
Region Denizli, Turkey
Natural limestone terraces with 35-degree thermal water contain calcium, magnesium and other minerals.
Alberta, Canada
A thermal bath from 1932 sits at 1,585 meters elevation with views of Mount Rundle.
Wyoming, USA
The 70-meter wide thermal spring displays rings in orange, green and blue from bacteria and minerals.
Budapest, Hungary
The historical bath from 1913 features 21 pools with varying water temperatures inside a neo-baroque building.
Nagano, Japan
The natural thermal springs at 850 meters altitude form the habitat of more than 200 Japanese macaques.
Madaba, Jordan
The thermal springs lie 264 meters below sea level and reach temperatures of up to 63 degrees Celsius.
New Mexico, USA
The four mineral water springs contain lithium, iron, soda and arsenic, with temperatures between 27 and 43 degrees Celsius.
Glenwood Springs, Colorado, USA
The thermal pool measures 405 feet in length and maintains 93 degrees Fahrenheit with mountain ranges in the background.
Alaska, USA
The thermal springs sit 56 miles from Fairbanks and offer views of the Aurora Borealis during clear skies.
Northeastern Region, Iceland
The alkaline baths maintain temperatures between 97-104 degrees Fahrenheit and contain minerals from the volcanic surroundings.
Qaqortoq, Greenland
The thermal springs maintain 100 degrees Fahrenheit between floating icebergs from the North Atlantic Ocean.
Western Region, Iceland
This thermal spring produces 180 liters of water per second and ranks as the largest in Europe.
Montana, USA
Thermal springs flow into the Gardner River and raise its temperature to 50 degrees Celsius.
Gunma Prefecture, Japan
Four large outdoor mineral water pools next to the river offer bathing areas for men and women.
Manciano, Italy
Thermal baths in limestone basins with 37.5-degree water remain open throughout the year.
Utah, USA
A system of thermal springs in a quarry area. The water temperatures reach 60 degrees Celsius.
Taipei, Taiwan
Natural thermal spring in a volcanic crater. The water contains sulfur and appears green.
Azores, Portugal
Thermal baths in a volcanic zone. The springs feed several public pools with mineral-rich water.
Salar de Surire, Chile
Thermal springs at 4300 meters elevation. The mineralized water maintains a constant temperature of 35 degrees Celsius.
Luang Prabang, Laos
Natural spring pools at 32°C adjacent to the three-tier waterfall system. Multiple stone basins collect mineral water for bathing.
British Columbia, Canada
Natural pools in the northern forest with water temperatures from 42°C to 52°C. Wooden boardwalks connect two main bathing areas.
Hidalgo, Mexico
Mountain complex with thermal water at 38°C flowing through caves and concrete pools built into the canyon walls.
Rotorua, New Zealand
Geothermal area with sulfur pools, grey mud baths at 40°C, and demonstrations of Maori cooking methods using ground heat.
Iceland
Natural spring with 40 degrees Celsius water, surrounded by rhyolite mountains and colored mineral deposits.
Kusatsu, Japan
Traditional Japanese thermal bath with wooden channels for water distribution and temperature regulation of mineral springs.
Oregon, USA
Six natural thermal pools at different temperatures, located within Willamette National Forest.
Beppu, Japan
Thermal pool with mineral rich red water due to high iron content, temperature reaches 78 degrees Celsius.
Waiotapu, New Zealand
The geothermal pool displays orange and green mineral deposits at its edges while continuously releasing carbon dioxide bubbles.
Sichuan, China
The natural limestone basins extend over 3.6 kilometers and contain mineral thermal water with turquoise and blue shades.
Tuscany, Italy
The thermal springs bubble up from the ground at 37°C and form natural travertine pools with mineral deposits.