Swimming on top of a waterfall doesn't get much better than at Hierve el Agua in the Central Valleys of Oaxaca of Mexico. Similar to how icicles form, mineral springs created these stone waterfalls, and people can swim in turquoise waters with a high content of healing minerals on top of the smaller rock formation, Cascada Chica.

Hierve el Agua

The National Park Service says Havasupai means people of the blue-green waters, the traditional guardians of the Grand Canyon. A famous destination for hikers in the Havasupai Reservation, Arizona, these spectacular waterfalls of an isolated community attracts thousands of visitors each year.

Havasu Falls

This amazing swimming hole is in the foothills of the Serra do Cando mountains in Spain’s Galicia region, known as the "country of thousand rivers." There are two natural pools in which you can bathe and swim under the fierce waterfalls, but to get there requires walking down a steep and rocky path.

A Firveda

You won't reap the benefits of a lazy swimming lounge in The Narrows, Utah without a somewhat challenging hike. After walking a paved mile of Riverside Trail, trekking about 1.5 miles through shallow waters in Virgin River Canyon, and another half mile through Orderville Canyon, you will come to small falls with several swimmable pools.

The Narrows

Per National Geographic, the 13 million golden jellyfish that pack Palau's Jellyfish Lake have lost their sting, so swimmers, snorkelers, and divers can experience them up close with no fear. The 100-foot-deep basin is filled with seawater and has two unique jelly species – the golden jelly, Mastigias papua etpisoni, and the moon jelly, Aurelia.

Jellyfish Lake