Bath, England. United Kingdom Little Heaven. Bath is one of Britain's most appealing cities. Exquisite Roman and Georgian architecture, hipster hang-outs and swish spas make it hard to resist. Bath's extraordinary array of architectural treasures has earned the whole city Unesco World Heritage Site status. It's easy to see why. Bath is home to one of the world's best-preserved Roman bathhouses sited here because of hot springs that bubble up at a...