Swim alongside whale sharks, the world's largest fish, in their natural habitat
Experience the tradition and skill of hunting in a designated area
Humpbacks come within metres of the shore from July to October, and Niue lets you snorkel beside them.
Swim among millions of stingless jellyfish.
Tonga is one of the few places you can legally swim with humpbacks, which come to Vavaโu to calve from July to October.
The planet's richest coral reefs.
World-famous wall dive of sharks.
Reliable manta-ray cleaning stations.
Hundreds of mantas feed in this tiny bay during the monsoon plankton blooms.
Canoe past elephants and hippos.
Shark dives in a vast lagoon.
Dive with whale sharks and mantas.
The one Kenyan park you can explore by bike, pedalling past zebra and giraffe to the red cliffs and gorge that inspired The Lion King.
Infobox