Need help prioritising your bucket list? These holiday hotspots are here for a limited time only

Climate change, global warming, over-population and plastic pollution - not exactly a magic recipe for a pristine planet.  While there are pockets of the globe that - thankfully - remain untouched by civilisation, some of the most breathtaking natural wonders are under serious threat of being lost forever. In honour of Earth Month, which is celebrating its 46th anniversary, Contiki has clued us up on the eight destinations to see now, or regret missing out on forever.

8 amazing destinations to visit before they disappear