A visit to the Viking Caveswith Boat, also known as the Swallow Caves, should definitely be in every Phi Phi Island traveler's checklist of things to do in Phi Phi Islands. With various interesting background stories attached to it, Viking Caves is a unique tourist attraction, hands down. There are various rock climbing areas for the adventurous lot while the calm and relaxed tourists may just enjoy the serenity and the history of the cave.

Interestingly, these Viking Caves are home to an edible bird's nest, which is one amongst the most expensive animal products in the world. Although the entry to the Viking Caves is prohibited, the boats are slowed down for the tourists to take a closer look.

Timings: 7 a.m.– 5 p.m.