Grotto della Poesia is not only a scenic pool in southern Italy, it's also an important archaeological site.
Grotta della Poesia, Roca Vecchia, Italy —
Grotto della Poesia is not only a scenic pool in southern Italy, it's also an important archaeological site.
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The seven-tiered Erawan Falls owe their name to a supposed resemblance to Erawan, the mythical three-headed elephant.
Erawan Falls, Erawan National Park, Thailand —
The seven-tiered Erawan Falls owe their name to a supposed resemblance to Erawan, the mythical three-headed elephant.
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Aside from the swimming, the natural pool in Parc National de Isalo also attracts tourists for its dramatic scenery, challenging hikes and picnic spots -- with lemurs included.
Parc National de Isalo, Isalo, Madagascar —
Aside from the swimming, the natural pool in Parc National de Isalo also attracts tourists for its dramatic scenery, challenging hikes and picnic spots -- with lemurs included.
TripAdvisor traveler photo
Perfectly located for beautiful views over Kakudu National Park, Gunlom is known for its dramatic sunsets.
Gunlom Plunge Pool, Northern Territory, Australia —
Perfectly located for beautiful views over Kakudu National Park, Gunlom is known for its dramatic sunsets.
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TripAdvisor user RachelRaven describes a visit to Blue Lagoon as being "like bathing on the moon."
Blue Lagoon, Grindavik, Iceland —
TripAdvisor user RachelRaven describes a visit to Blue Lagoon as being "like bathing on the moon."
Natasha Maguder/CNN
Samoa's 30-meter-deep To Sua Ocean Trench can be accessed by a very steep ladder. "Not for the faint-hearted," Caroline W from Dubai writes on TripAdvisor.
To Sua Ocean Trench, Samoa, South Pacific —
Samoa's 30-meter-deep To Sua Ocean Trench can be accessed by a very steep ladder. "Not for the faint-hearted," Caroline W from Dubai writes on TripAdvisor.
Samoa Tourism Authority
The ocean water pool Las Grietas stands between two tall cliffs on the island of Santa Cruz. Visitors can either bring their own snorkel gear or rent equipment in Puerto Ayora.
Las Grietas, Puerto Ayora, Ecuador —
The ocean water pool Las Grietas stands between two tall cliffs on the island of Santa Cruz. Visitors can either bring their own snorkel gear or rent equipment in Puerto Ayora.
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Mother Nature has created her own water park in North Carolina. "I had so much fun sliding down the rock and splashing into the wading pool below," says SeaGreenSnail1009 from Findlay, Ohio.
Sliding Rock, North Carolina, United States —
Mother Nature has created her own water park in North Carolina. "I had so much fun sliding down the rock and splashing into the wading pool below," says SeaGreenSnail1009 from Findlay, Ohio.
TripAdvisor traveler photo
This beautiful pool sits 26 meters below ground. At 60 meters wide and 39 meters deep, Ik Kil Cenote has been the competition venue for Red Bull Cliff Diving World Series three times.
Ik Kil Cenote, Eco-Arqueological Park, Mexico —
This beautiful pool sits 26 meters below ground. At 60 meters wide and 39 meters deep, Ik Kil Cenote has been the competition venue for Red Bull Cliff Diving World Series three times.
Dean Treml/Red Bull via Getty Images
"We thought it would be a tourist trap but it wasn't at all! One of the most beautiful things we have seen in all of North, Central and South America." says TripAdvisor user Rebecca G from Augusta, Georgia.
Natural Pool, Noord, Aruba —
"We thought it would be a tourist trap but it wasn't at all! One of the most beautiful things we have seen in all of North, Central and South America." says TripAdvisor user Rebecca G from Augusta, Georgia.
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The aptly named Nanda Blue Hole on Vanuatu has a sheltered bar and a picnic area built next to the pool.
Nanda Blue Hole, Vanatu, South Pacific —
The aptly named Nanda Blue Hole on Vanuatu has a sheltered bar and a picnic area built next to the pool.
TripAdvisor traveler photo
Located at Glen Brittle in Scotland, Fairy Pools is a series of aquamarine pools fed by scenic -- and icy cold -- waterfalls streaming down from the Cuillin mountains.
Fairy Pools, Isle of Skye, Scotland —
Located at Glen Brittle in Scotland, Fairy Pools is a series of aquamarine pools fed by scenic -- and icy cold -- waterfalls streaming down from the Cuillin mountains.
TripAdvisor traveler photo