SOURCE: DATE: Fri, 04 Nov 2016 20:29:23 +0000
FULL PUBLICATION: http://travelblog.viator.com/coolest-underground-attractions/

Though churches, theaters, mountains, and museums are staple attractions when getting to know a new location, a look below the surface can reveal spectacular and little-known sights you probably wouldn't find on a postcard. From underground churches, gardens, wineries, and music festivals, these top attractions from around the world are definitely worth a trip below ground. Scratch the Surface: 11 of the World’s Coolest Underground Attractions by Katie Coakley from Viator Travel Blog