Tsingy Rouge, Madagascar: Madagascar's Tsingy Rouge, a dramatic and lesser-known landscape, features sharp red limestone pinnacles.
Roque de Agando, Canary Islands: On the Canary Island of La Gomera, Roque de Agando stands tall.
White Desert, Egypt: Egypt's White Desert offers an ethereal experience. Its chalky, white rock formations were sculpted by sandstorms into shapes resembling mushrooms.
Turtle Rock, Mongolia: Mongolia's Turtle Rock is a marvelous natural rock formation in the Gorkhi-Terelj National Park.
Mother and Child Balancing Rocks, Zimbabwe: Zimbabwe's Mother and Child Balancing Rocks are a testament to nature's delicate artistry.
Árbol de Piedra, Bolivia: Bolivia's Árbol de Piedra, or Stone Tree, stands solitary in the surreal landscape of the Siloli Desert.
Hvítserkur, Iceland: Off the coast of Iceland, Hvítserkur, a 50-foot (15-meter) tall basalt stack, rises majestically from the sea. Legends say it's a petrified trol.
Ko Tapu, Thailand: Thailand's Ko Tapu, a tall limestone rock in Phang Nga Bay, has gained fame through its appearance in the 1974 James Bond movie.
Half Dome, US: Yosemite National Park's Half Dome is an iconic symbol of natural grandeur.
Moeraki Boulders, New Zealand: New Zealand's Moeraki Boulders are a curious sight on Koekohe Beach.