World's Greatest Underground Destinations

From a thousand-year-old Turkish cave to an ancient French rock fortress, these subterranean hotels are above average

John Gray in "Men are from Mars, Women are from Venus" suggested men respond to stressful situations by withdrawing or "retreating into their cave." What if you really could retreat to a cave which offered escape without compromising on comfort? From a thousand year old cave carved out of volcanic rock in beautiful Turkey, to going "down under" in an Australian desert-like opal mining town or an ancient fortress carved from rock in France, there's plenty of options for the adventurous traveler looking to get in touch with their Neanderthal roots... and without compromising on luxury.

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