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Pamukkale (Turkey) - On the southeast of Turkey sits Pamukkale, a group of limestone formations that were transformed into giant thermal pools over the centuries.

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Pamukkale (Turkey) - It is one of Turkey's most popular attractions and brings in tourists from all around the world.

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Pamukkale (Turkey) - In 1998, Pamukkale was declared a UNESCO World Heritage Site.

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Blue Lagoon (Iceland) - Iceland literally features a real open-air spa. Just 24 miles (39 km) outside the capital Reykjavik, you'll find the Blue Lagoon.

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Blue Lagoon (Iceland) - Located in the city of Grindavík, the Blue Lagoon attracts thousands of tourists every year not only for its natural beauty but also for the medicinal properties of its water, which can go up to 104°F (40ºC).

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Blue Lagoon (Iceland) - The lagoon is actually an artificial pool that works as a hot spring and the minerals found in the water help fight skin aging.

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Champagne Pool (New Zealand) - This geothermic wonder is located in the volcanic region of Rotorua, New Zealand.

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Champagne Pool (New Zealand) - This hot water pool owes its name to the bubbles produced by the carbon dioxide found there.

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Champagne Pool (New Zealand) - Unfortunately, this hot spring can only be admired from the outside, as its waters can reach temperatures of 165.2°F (74ºC).

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Terme di Saturnia (Italy) - Legend says that the Saturnia hot springs are the result of a crater created by a thunderbolt sent by the god Saturn with the goal of appeasing the planet's conflicts and bringing peace to Earth.

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Terme di Saturnia (Italy) - Nowadays, the Terme di Saturnia receive thousands of tourists every year. The waters there possess therapeutic properties that are good for health.

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Terme di Saturnia (Italy) - The hot springs are made even more impressive by the surrounding waterfalls and spectacular landscapes.

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Széchenyi thermal bath (Budapest) -

Some of the most popular tourist attractions in the Hungarian capital are the thermal baths. There are 13 pools with internal temperatures ranging from 64°F (18ºC) to 104°F (40ºC).

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Széchenyi thermal bath (Budapest) -

They constitute one of the biggest spa complexes in Europe and the first to be built in the Pest county.

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Széchenyi thermal bath (Budapest) - Tourists flock from all around the globe to go there, and in the summer there are even parties thrown there at night.

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Kusatsu Onsen (Japan) -

These waters are known for being acidic and temperatures vary from 124°F (51ºC) to 201°F (94ºC)

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Kusatsu Onsen (Japan) - Tourists may enjoy fresh thermal water in the hotels in Kasatsu.

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Kusatsu Onsen (Japan) -

Even though people can't go for a dip there, this thermal pool is still considered one of the most beautiful in the world.

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Glenwood Springs (United States) -

Glenwood Springs is home to the biggest mineral hot spring in the world, which is 328 ft (100 m) long, and the water temperatures are around 93°F (34ºC).

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Glenwood Springs (United States) -

Next to the pool there is a luxury resort that attracts tourists from all four corners of the world.

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Banff Upper Hot Springs (Canada) -

This majestic pool is located at over 4921 ft (1500 m) above sea level and keeps a temperature between 99°F (37ºC) and 104°F (40ºC).

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Banff Upper Hot Springs (Canada) -

It's one of the biggest attractions in Canada, especially in the winter when temperatures plunge into the negatives.

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Bath (United Kingdom) - The city of Bath is known for its Roman thermal baths.

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Bath (United Kingdom) - It is said that the city was built after the Romans found water with miraculous properties there.

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Termas Geométricas (Chile) -

There are 60 sources of thermal water that feed these hot springs more than 4 gallons (15 liters) of water per second.

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Termas Geométricas (Chile) -

They were built in the middle of Nature and can be accessed from neighboring towns such as Pucón.

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Peninsula Hot Springs (Australia) -

These hot springs are rich in minerals as the waters, which can go up to 122°F (50ºC), rise from 2090 ft (637 m) below the ground.

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Peninsula Hot Springs (Australia) -

Scores of people head there every year because of the waters' rejuvenating properties.

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Jigokudani (Japan) - Humans aren't the only ones who can enjoy nature's wonders! In the Jigokudani Monkey Park in the city of Yamanouchi, the snow monkeys can be spotted bathing in the hot springs.

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Jigokudani (Japan) -

The park attracts not only tourists but nature-lovers and scientists, who head there to study the snow monkeys' behavior in their natural habitat.

See also: Now and Zen: a journey through Japan

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