With the highest concentration of natural bridges and arches in the ... Even with the timed entry system, Arches National ...

Check out Natural Bridges National Monument and explore ... Tonto Natural Bridge State Park is home to the world's largest ...

Park rangers and geologists suspect frequent foot traffic and changing water levels contributed to the ... Bridge National Monument — one of the world’s largest known natural bridges ...

Much of Mackinac Island was designated as a national park in 1875, but it proved to be too expensive for the government to maintain, so it was transferred to the State of Michigan in 1895 ...

Canyonlands National Park, northeast ... world's largest known natural bridges, that were spurred by studies showing helicopter flybys could have a damaging effect on the arch.

(CNN) – “Double Arch,” a popular geologic feature in Utah’s Glen Canyon National Recreation Area, has collapsed, according to park officials. The National Park Service said the frequently ...