Among the posters on offer at Christie's will be "Winter in Davos" (1914) by Burkhard Mangold, depicting happy couples dancing on skates at the Swiss resort's rink.

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Last year, he teamed up with four other cave-loving professional couples to purchase Diamond Caverns from a big resort company.

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In May, Jumby Bay, a Rosewood Resort in Antigua in the Caribbean began offering a "Together Package" for couples that includes a two-hour shoot with a professional photographer.

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The Hua Hin resort is the ideal place to lie back and relax, best savored by clinging couples, families with young children and retired folk, a large percentage of them from northern Europe.

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