Prague Castle (Czech Republic). 'Looming high above the Vltava’s left bank, this outrageously outsized fortress conjures up childhood fairy tales of a good king watching benevolently over his people.' http://www.lonelyplanet.com/czech-republic/
Helltown is basically another ghost town formally known as Boston, Ohio. It is an area located in Summit County, Ohio and now part of Cuyahoga Valley National Park.