Spectacular rock columns built by 'giant' gracing the coast of Northern Ireland - Giant's Causeway and Causeway Coast 369 Giant's Causeway What and Why The Giant's Causeway is the northern coastline along Northern Ireland where more than 40,000 interlocking basalt rock columns were formed and lined, forming a spectacular vista. These rock columns were formed due volcanic eruption some 50 to 60 million years ago, during the Paleocene epoch, and underwent slow cooling unde

Prime destination for geology, palaeontology and natural splendour - Monte San Giorgio 1090 Monte San Giorgio from Morcote (from internet) What and Why Monte San Giorgio , located in the canton of Ticino of Switzerland ( Italian : Svizzera ) and overlooking Lake Lugano ( Lago di Lugano ) , is one of the world's most important palaeontological sites. The pyramidal shaped Monte San Giorgio offers a fascinating blend of natural beauty, scientific significance, and cultural h

A treat for speleogists: world's longest cave system - Mammoth Cave National Park 150 Mammoth Cave What and Why The Mammoth Cave National Park , containing the same-named cave, is the longest known cave system in the world . The cave system connects two cave systems: the original Mammoth Cave and an even larger Flint Ridge, and forms a humongous cave passageways of more than 686 km, and this number is still growing with new discoveries every year. This connexion was made in

A beautiful park with an impressive ecosystem under a blue haze cover - Great Smoky Mountains National Park 259 Great Smoky Mountains National Park What and Why The Great Smoky Mountains National Park is surprisingly the most popular national parks in America , way more visited than the more well-known Yellowstone National Park (as blogged in Yellowstone - North loop and Yellowstone - South loop ). Edging the Appalachian Mountains , it protects some of the oldest and hi