The world's biggest (and most expensive) travel flops

The key to any successful vacation is in the planning. The same can be said for making a vacation destination a thriving hot spot. But as it turns out, many tourist attractions weren’t thought out that well. Case in point: Revel Casino. After two years in business, the luxury resort and casino in Atlantic City just announced that it would be closing its doors forever in September.

And while this seems to be a big fail, it isn’t the worst travel flop on record.

Shockingly, there are lots of hotels, entertainment parks, and even beaches that have proved the saying “the devil is in the details.” We rounded up the worst travel flops ever. - Caitlin M. Kiernan, Yahoo Travel