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The Milliken Nature Center on Mackinac Island features a stone facade, wood beams, and an interactive 3D map that brings the ...
Nature doesn’t follow blueprints, and sometimes the result is strange enough to stop you in your tracks. Around the world, ...
Natural bridges are rock formations shaped by geological activity over millions of years. Let's take a look at some of these stunning natural structures. Pont d'Arc, FranceA popular tourist ...
Come to this Irish region for otherworldly rock formations. Midway along Ireland’s Atlantic Coast lies the Burren, an otherworldly landscape whose mesmerising limestone formations have long ...
Metamorphic rock is formed when existing rock is transformed under high heat and pressure, which generally destroys any fossils that were in the rock before it was metamorphosed.For example, marble is ...
Travertine is a type of limestone rock formed when river or mineral spring waters evaporate and leave behind calcium carbonate. Travertines often wind up settling into a terraced formation , as ...
Sinkholes can appear for many different reasons - it is often due to the geology but human factors can also be a cause. One of the most common reasons for a sinkhole is when rocks like limestone ...