Salt pillar formations at sunset, South Tufa, Mono Lake, California, United States of America, North America

Tufa spires and tower formations of calcium carbonate at sunset, Mono Lake, South Tufa Reserve, Mono Basin Scenic Area, Lee Vining, Inyo National Forest Scenic Area, California, United States of America, North America

Tufa spires and tower formations of calcium carbonate at sunset, Mono Lake, South Tufa Reserve, Mono Basin Scenic Area, Lee Vining, Inyo National Forest Scenic Area, California, United States of America, North America

Tufa spires and tower formations of calcium carbonate at sunset, Mono Lake, South Tufa Reserve, Mono Basin Scenic Area, Lee Vining, Inyo National Forest Scenic Area, California, United States of America, North America

Tufa spires and tower formations of calcium carbonate, Mono Lake, South Tufa Reserve, Mono Basin Scenic Area, Lee Vining, Inyo National Forest Scenic Area, California, United States of America, North America

Tufa formations at Mono Lake, South Tufa State Reserve, Sierra Nevada, California, United States of America, North America

Tufa formations at Mono Lake, South Tufa State Reserve, Sierra Nevada, California, United States of America, North America

Tufa formations at Mono Lake, South Tufa State Reserve, Sierra Nevada, California, United States of America, North America

Tufa formations at Mono Lake, South Tufa State Reserve, Sierra Nevada, California, United States of America, North America

Tufa formations at Mono Lake, South Tufa State Reserve, Sierra Nevada, California, United States of America, North America

Tufa towers, South Tufa Aerea, Mono Lake, California, USA

Moai Ahu Tahai, stone sculpture, sunset, Rapa Nui National Park, Easter Island, Chile, Oceania

Spectacular sunset, tufa rock formations, South Tufa Area, Mono Lake, a saline lake, Mono Basin and Range region, Sierra Nevada, California, United States of America, USA

View to medieval limestone town of Pitigliano, situated on rocks raising from a green valley, Maremma, Tuscany, Italy, Europe

View to medieval limestone town of Pitigliano, situated on rocks raising from a green valley, Maremma, Tuscany, Italy, Europe

Seven moais of Ahu Akivi, stone sculptures, Rapa Nui National Park, Easter Island, Chile, Oceania

Sunlight, tuff rock formations at Mono Lake, South Tufa, Lee Vining, California, USA, North America

Dawn, sunrise, tufa rock formations, South Tufa Area, Mono Lake, a saline lake, Mono Basin and Range region, Sierra Nevada, California, United States of America, USA

The town on its limestone plateau with tower of the cathedral Santi Pietro e Paolo, Pitigliano, Maremma, Tuscany, Italy, Europe

Parachute Tufa, dawn, sunrise, tufa rock formations, South Tufa Area, Mono Lake, a saline lake, Mono Basin and Range region, Sierra Nevada, California, United States of America, USA

Parachute Tufa, dawn, sunrise, tufa rocks, tufa formations, South Tufa Area, Mono Lake, saline lake, Mono Basin and Range Region, Sierra Nevada, California, United States of America, USA

The tufa town of Sorano at the blue hour, Tuscany, Italy, Europe

Parachute Tufa with osprey (Pandion haliaetus) on the nest, dusk, tufa rocks, tufa formations, South Tufa Area, Mono Lake, saline lake, Mono Basin and Range Region, Sierra Nevada, California, United States of America, USA

Sunlight, tuff rock formations at Mono Lake, South Tufa, Lee Vining, California, USA, North America

The tufa town of Sorano at the blue hour, Tuscany, Italy, Europe

The Plitvice Lakes in the National Park Plitvicka Jezera in Croatia. Visitors taking a cruise on lake Kozjak. The Plitvice Lakes are a string of lakes connected by waterfalls. They are in a valley, which becomes a canyon in the lower parts of the National Park. The waterfalls are formed mostly by travertine (tufa) barriers between the lakes. The lakes are listed as UNESCO World heritage and are visited by close to one million tourists per year. Europe, South Eastern Europe, Croatia

Ancient wine bottles photographed in the cellars of the winery "Carbone" in Melfi, Basilicata, Italy, Europe

Antique barrels dug into the mountain. Here it is preserved the wine for thousands of years. In this village the director Pier Paolo Pasolini shot part of his film Il Vangelo Secondo Matteo, Barile, Basilicata, Italy, Europe

Ancient wine cellars located inside tufa caves. It is one of the cellars owned by the winery "Cantine del Notaio", one of the most important wine producers in southern Italy, Rionero in Vulture, Basilicata, Italy, Europe

Ancient wine cellars located inside tufa caves. It is one of the cellars owned by the winery "Cantine del Notaio", one of the most important wine producers in southern Italy, Rionero in Vulture, Basilicata, Italy, Europe

Ancient wine cellars located inside tufa caves. It is one of the cellars owned by the winery "Cantine del Notaio", one of the most important wine producers in southern Italy, Rionero in Vulture, Basilicata, Italy, Europe

A woman and her daughter stand up paddleboarding on Mono Lake from South Tufa Beach, Lee Vining, California.