If lazily sipping cocktails in the sun is your idea of a dream vacation, then look away now. In this unique BBC Select travel documentary, Monica Galetti and Giles Coren visit Iceland's ION, an adventure hotel levitating out of a dormant volcano. Guests expect the icy experience of a lifetime, exploring lava flows and glaciers. But how do you keep guests safe when a volcano starts erupting?

• Giles Coren
• Monica Galetti
• Robert Rinder