On Thursday, the life of a natural stone arch came to an end, according to a press release from the National Park Service.

The arch increased spanning capabilities exponentially. There are generally eight basic arch designs, and all eight can be found in Lancaster County architecture: semicircular, segmental ...

In 2009, Jay Wilbur, a founder of the Natural Arch and Bridge Society (NABS), spotted what seemed to be an immense structure on Google Earth. With little documentation to rely on, he and fellow ...