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Travertine rock formations build up over time from the dripping and evaporation of mineral laden water. Eventually the travertine forms into stalactites and shallow caves. Tonto Natural Bridge is believed to be the largest natural travertine bridge in the world. It stands over a 400-foot-long tunnel that is 150 feet wide and 183 feet high. The volume of rock in the bridge is estimated to be 200 million cubic feet. The bridge is the result of water laden with calcium carbonate from perennial springs that have dripped for thousands of years. The natural bridge was discovered by Scotsman David Gowan in 1877. Gowan persuaded his family to emigrate and move to the location where they built a lodge in 1927. They lived there until 1948 when the land and building were sold to Pine native Glen Randall. In 1967 Randall’s widow sold the property and eventually it became a State Park. The lodge is still standing and is now on the National Register of Historic Places. Tonto Natural Bridge State Park is near Pine, Arizona, USA.
Nizwa, Oman - October 21, 2013: Nizwa Fort Castle window detail. The Nizwa Fort is a massive castle in Nizwa,
Quiet residential street in suburban neighborhood with large single-family houses, evergreen trees, grassy lawn, no fence and front garage in Rochester, New York, USA. Aerial view upscale homes
Canyonlands
Aerial view of a cityscape with a mountain range in the background, contrasted against the sky filled with white fluffy clouds
Mosca, United States - May 10, 2014: The Great Sand Dunes National Park lies in the San Luis Valley of Colorado along the western slopes of the Sangre de Cristo Mountains. The park is home to enormous sand dunes up to 700 feet high, an unusual sight in the middle of the Rocky Mountains! Here is the exterior of the new park headquarters building.
Exploring the beauty of Zion National Park from before sunrise to long after sunset from the valley floor to soring majestic peeks.
Taos, NM: An old-fashioned bus parked in front of the historic Hotel La Fonda on the Taos Plaza, built in the adobe style of the Taos Indian Pueblo.
The magical canyons, pre-coulmbian ruins and settlements of Canyon de Chelly National Monument in the summer of 2008.
The casino, exterior view, city of Saint Raphaël, department of Var, France
Poetry Dr Storm Water Management Pond, Vaughan, Canada.
Logansport, Indiana, USA - August 22, 2021: The Cass County Government Building
A drone POV of houses
Church of Ermita Virgen De La Huerta, Near Aledo, Murcia Province, Spain
Seoul, Korea
Panoramic winter vista on scenic highlights within the Verde River Canyon region of northern Arizona.
View from Anzac Hill down Hartley St on a fine winter's day in Alice Springs, Northern Territory, Australia
Fairbanks, Alaska, United States 6-11-22: Institute Building, University of Alaska Fairbanks.USA
Seweweekspoort, South Africa - April 6, 2021: Ablution building between trees at Op Die Plaas camping site at Sandrivier farm near the top of Seweweekspoort in the Swartberg Mountains
Aerial view of snowcapped mountain and village. Taken via drone. Denizli, Turkey.
emergency room entrance at a public hospital
Hong Kong - April 19, 2021 : Hong Kong Baptist University is located in Kowloon Tong, Hong Kong. It is established in 1956, and achieved University status since 1994.
Aerial view of Del Mar town in San Diego County, California, located on the coast of the Pacific Ocean. USA
Colorado River Southwest Utah Landscape near Moab
Chapel Hill, NC, USA - June 6, 2015: Kenan Memorial Stadium at the University of North Carolina at Chapel Hill in Chapel Hill, North Carolina. Built in 1928.
Miami, USA - February 25, 2022: Modern electric car dual charging station ready to be use by Miami
Stack of packed border stones for asphalt road on wooden pallet at building site.
A water storage tank is painted to blend in with the desert landscape of Utah.
Werribee, VIC - Australia - 03-17-2021 Signage at the Werribee Open Range Zoo Melbourne
Hong Kong - March 31, 2021 : Hong Kong Baptist University is located in Kowloon Tong, Hong Kong. It is established in 1956, and achieved University status since 1994.
Free Images: "bestof:The new community center in Surprise, Arizona, built from funds contributed by various Sunday School groups. Volunteers from Stanfield and Peoria assisted with"
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SLNSW 13027 Exterior newly built Catholic Church at Northbridge taken for Building Publishing Co.jpg
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SLNSW 36281 Film A Nation is built directed by Frank Hurley for the Sesquicentenary Cinesound Mount York.jpg
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SLNSW 12265 Exterior of the Union Hotel built c1933 remodelled with additions 1939 corner Pacific Highway and West Street taken for Building Publishing Co.jpg
SLNSW 10504 Jenolan Caves unveiling of a plaque to commemorate the discoveries of various caves 23 February 1929.jpg
SLNSW 10506 Jenolan Caves three unidentified women at the time of the unveiling of a plaque to commemorate the discoveries of various caves 23 February 1929.jpg
SLNSW 10512 Jenolan Caves unidentified man at the time of the unveiling of a plaque to commemorate the discoveries of various caves 23 February 1929.jpg
SLNSW 10526 Jenolan Caves unveiling of a plaque by Sir Edgeworth David to commemorate the discoveries of various caves 23 February 1929.jpg
SLNSW 52030 Schoolboys watch the all Australian aeroplane entry for the EnglandAustralia air race being built Grace Bros.jpg
SLNSW 6503 Schoolboys watch the all Australian aeroplane entry for the EnglandAustralia air race being built Grace Bros.jpg
SLNSW 10510 Jenolan Caves magnesium flashlight photograph of the official party at the unveiling of a plaque to commemorate the discoveries of various caves 23 February 1929.jpg
SLNSW 10519 Jenolan Caves probably the manager of the Caves House and his wife at the time of the unveiling of a plaque to commemorate the discoveries of various caves 23 February 1929.jpg
SLNSW 10517 Jenolan Caves study of Oliver Trickett lighting his pipe at the time of the unveiling of a plaque to commemorate the discoveries of various caves 23 February 1929.jpg
SLNSW 10511 Visitors walking from charabanc to the entrance of Jenolan Caves for the unveiling of a plaque to commemorate the discoveries of various caves 23 February 1929.jpg
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SLNSW 11535 Fred Loudons motorcycle shop with FrancisBarnett motorcycles corner Elizabeth and Goulburn Street.jpg
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