Nohoch Che’en Caves Branch (Belize). 'After entering the Nohoch Che’en Caves Branch you’ll float through an underground network, experiencing wonders unseen in the world above, from eyeless cave fish, to stalactites and strange Maya paintings high on the cave ceilings.' http://www.lonelyplanet.com/belize
Giants Causeway, Ireland Pinner says: "Every time I stand on this unique causeway I am in wonder of the Earth we live on. The patterns and mathematics of the universe are here in these stones." What a clever Creator we have!