Blackman’s Bay Blowhole
Impressive collapsed sea cave - former blowhole. Now it forms a large natural bridge with a road going over it.
Location, GPS coordinates:
42.99932 S 147.32814...
Devil’s Bridge in Antigua
Natural bridge at the sea with a stormy basin between the bridge and mainland. The bridge is some 20 m long and up to...
Watamula Hole
Large window - opening down to the sea, located at the northern shore of the island. This is a former blowhole which now for...
Wrather Arch
An enormous natural arch with the assessed span of maximum 55 m.
Location, GPS coordinates:
36.96418 N 111.77987 W
Categories:
Rock formations, Natural arches
Values:
Geology, Visual
Rating:
Where is located?
North America,...
Vultee Arch
Large natural arch with a span of 12 m.
Location, GPS coordinates:
34.94149 N 111.76874 W
Categories:
Rock formations, Natural arches
Values:
Geology, Visual
Rating:
Where is located?
North America, United States, Arizona,...
Window Rock
Large cliff with enormous, circular hole in it.
Location, GPS coordinates:
35.68265 N 109.04888 W
Categories:
Rock formations, Natural arches
Values:
Geology, Visual
Rating:
Where is located?
North America, United States, Arizona, Apache...
Tonto Natural Bridge
Possibly the largest natural bridge from travertine. Bridge represents 120 m long tunnel, up to 46 m wide and 56 m high.
Location, GPS coordinates:
34.32038...
Ear of the Wind
Very impressive natural arch in brownish-red sandstone. This is pothole arch which is created by chemical weathering.
Location, GPS coordinates:
36.90866 N 110.08198 W
Categories:
Rock formations, Natural...
Royal Arch in Arizona
One of most magnificent natural arches in the United States. Span is 23 m, height - 52 m, width of rock - 3.6 m.
Location,...
Hope Arch
One of the most beautiful natural arches, 20 m wide and around 21 m tall.
Location, GPS coordinates:
36.20218 N 109.68908 W
Categories:
Rock formations, Natural arches
Values:
Geology, Visual
Rating:
Where...
