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Nature’s Window

Nature’s Window

Nature’s Window is an iconic rock formation in Kalbarri National Park. Over time, wind eroded the layered sandstone forming a hole in the rock. Carefully approach this rock and look through the window.   From Nature’s Window you get a wonderful view of the...
Mulka’s Cave

Mulka’s Cave

On the outside, Mulka’s Cave looks like a large rock devoid of any significance. However, Mulka’s Cave is home to Western Australia’s largest collection of Aboriginal art. Like the nearby Hippo’s Yawn, Mulka’s Cave is also a tafone.  ...
Hippo’s Yawn

Hippo’s Yawn

Hippo’s Yawn is a tafone within a very large boulder. Tafoni are rock weathering patterns which usually occur through wind and water. In the case of Hippo’s Yawn, though, salt from the nearby salt lakes caused the weathering here.   The process of salt...
Wave Rock

Wave Rock

Located in Western Australia’s Wheatbelt, Wave Rock is a granite inselberg that looks like an ocean wave that is about to break. This geological feature is about 15 meters tall and 110 meters wide and makes up the north side of a solitary hill called Hyden Rock....
Sideling Hill Road Cut

Sideling Hill Road Cut

Completed in 1991, Interstate 68 is an interstate highway that connects Morgantown, West Virginia with Hancock, Maryland. One of the spectacular feature of this freeway is at Sideling Hill, a syncline mountain of the Allegheny Mountains.   Because of its steepness,...
Great Unconformity (Nevada)

Great Unconformity (Nevada)

To the east of Las Vegas is Frenchman Mountain. Like an unwanted step child, Frenchman Mountain is not part of a Federal park, monument, or conservation area even though it is Federal government property. Instead it is part of the Sunrise Mountain Instant Study Area....
Keystone Thrust

Keystone Thrust

At Red Rock Canyon National Conservation Area, the colorful Aztec sandstone is the striking feature of this park. The soft red and tan rocks contrasts with the dull grey and brown colors of the desert. Although this red rock is fairly common throughout the southwest...
Devils Racecourse

Devils Racecourse

Rocks. Maybe not. More like boulders. Lots of them. This is a huge boulder field known as Devils Racecourse. It is about a mile long in the middle of the forest.   Boulder or block fields are usually found in the arctic. Since Maryland is not in the arctic, what...
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