Holiday bucket list: Unusual places to see before you die

Holidays don't have to be all sun, sea and sand. These days travellers want to experience the most adventurous, unique and downright weird destinations that are out of this world.

See also: 50 places in the world to see before you die

There are a few places on Earth that appear as they could be straight out of space, with their surreal shapes, mysterious origins and too-beautiful-to-believe features.

We wanted to show you some of the rarest places in the world that you really will need to see to believe they exist.

From Croatia's brilliant Blue Cave to Tenerife's spectacular Sea of Clouds and the Maldives' glowing beaches - check out these surreal places you must add to your travel bucket list...

Now see how many of these epic holidays you can tick off your bucket list...

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