The most famous of these natural wonders is Aloba Arch, which stands as one of the largest natural arches in the world. The Aloba Arch is a breathtaking natural wonder with an impressive span of ...

Delicate Arch has to be the world's most famous natural arch. The opening beneath the arch is 46 feet high and 32 feet wide, making it the largest free-standing arch in the park, and over the ...

At 630 feet high and 630 feet wide, St. Louis’ iconic Gateway Arch is the tallest arch in the world and the tallest monument in the Western Hemisphere. This National Historic Landmark was completed in ...

Considered the 4th largest known natural arch in the world, the Aloba Arch is in Chad. It’s 120 metres high and 77 metres wide. The arch, in the Ennedi Range of the Saharan desert, was carved ...