With global tensions escalating by the day and the looming threat of future pandemics and nuclear disasters, it's no surprise that the demand for luxury bunkers has risen sharply in recent years. The world's richest have already started prepping for the worst, investing in high-end survival shelters where they can hunker down in safety should disaster strike.

Featuring everything from swimming pools to golf courses, movie theatres and bowling alleys, click or scroll on and take a tour of the planet's most expensive bunkers designed to protect the rich and famous...