Hoodoos are found all over the world. Visit Drumheller, Alberta to see mushroom-shaped rock formations that have soft bases which erode faster than their hard tops (capstones).
In the United States, Utah is the most famous state for tent rocks.
In Cappadocia,, Turkey, houses have been carved out of earth pyramids.
Davolja Varos, Serbia has 202 fairy chimneys.
Visit Alpes-de-Haute-Provences, France to see "Demoiselles Coiffees de Pontis".
Arizona has "teepee rocks" jutting out of the Coyote Buttes.
Note: All photos courtesy wikimedia.org.