The Pinnacles, Western Australia

Postcard AU-402249 from Australia shows the Pinnacles Desert, made up of thousands of limestone formations inside Nambung National Park that is 17 kilometers or 10 miles south of the town of Cervantes in Western Australia, Australia. Those limestone pillars, from 5 cm to 5 meters in height, were formed by lime-rich sands from crushed seashells in an earlier marine environment under the long term effects of wind, water and plants. The area is popular with tourists and receives over 250,000 visitors a year.

Yehliu Geopark

Postcard TW-1309821 from Taiwan shows the "Queen's Head" (女王頭),  one of the best known hoodoo stones at the Yeliu (野柳) Geopark in the town of Wanli, New Taipei City, Taiwan. The cape, where the Geopark is located, is known by geologists as the Yeliu Promontory that consists part of the Daliao Miocene Formation (中新世野柳群大寮層). It was pushed 1,700 meters or 5,577 feet into the sea when formed as geological forces pushed Datun Mountain (大屯山) toward the ocean. The mushroom shaped rock formation was formed at the influences caused by tidal erosion, rock weathering, ground movement and crustal movement.

Due to the accelerated erosion, the neck circumference of the Queen's head is shrinking by day. Worrying that the Queen's Head may crash within a year or two, especially during earthquakes or other earth-moving events, researchers are testing nano coating to develop a reinforcement plan.

Ladram Bay

Postcard GB-515408 from the United Kingdom shows Ladram Bay on the south coast of Devon, England. It is a secluded bay with pebble beach, between the coastal towns of Budleigh Salterton on the southwest and Sidmouth on the northeast. The RV park at Ladram Bay, Ladram Bay Holiday Park,  is the second largest holiday center in Devon, offering fantastic views over the ocean. It is located within the 155-km or 96-mile Jurassic Coast where a continuous sequence of Triassic, Jurassic and Cretaceous rock formations reveal 185 million years of the Earths history.

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