Neversink Pit- can't believe I'd never heard of this place until today! "Neversink pit is a limestone sinkhole in North Alabama. It’s one of the most-photographed sinkholes in the world because of its beautiful fern-covered ledges and waterfalls.
Climbers at the bottom of the Golondrinas cave in Aquismon Region, Mexico. The towering walls of rock range from 325 feet tall to the deepest open-air pit in the world, Sotano de las Golondrinas (Cave of Swallows), which is over 1000 feet deep.
19 Lugares surreales de México para visitar al menos una vez en la vida
Blanchard Springs Caverns, near Mountain View, Arkansas. Blanchard Springs Caverns is a cave system located in the Ozark National Forest in Stone County in northern Arkansas, 2 miles off Highway 14 a short distance north of Mountain View.
Gorgeous hills - amazing light and shadow. Blooming fields of rapeseed plants weave around hills near Luoping in Yunnan Province. From "Visions of Earth" - National Geographic May 2008 Photography by George Steinmetz
Ik-Kil Cenote, Mexico I have been here! It was beautiful! Swimmers float in the saphirre waters of the Ik-Kil cenote, near the Maya site of Chichén Itzá in Mexico's Yucatán Peninsula. Cenote means "natural well" in Spanish.