Arlington National Cemetery, in Arlington County, Virginia is a military cemetery in the United States, established during the American Civil War on the grounds of Arlington House, formerly the estate of the family of Robert E. Lee’s wife Mary Anna (Custis) Lee, a descendant of Martha Washington. The cemetery is situated directly across the Potomac [...]

The Colorado River basin (of which the Grand Canyon is a part) has developed in the past 40 million years. A recent study places the origins of the canyon beginning some 17 million years ago. Previous estimates had placed the age of the canyon at 5 to 6 million years. The study, which was published [...]

careers

The open space which lies before the basilica was redesigned by Gian Lorenzo Bernini from 1656 to 1667, under the direction of Pope Alexander VII, as an appropriate forecourt, designed “so that the greatest number of people could see the Pope give his blessing, either from the middle of the façade of the church or [...]

The Oresund or Oresund Bridge (Danish: Oresundsbroen, Swedish: Oresundsbron, joint hybrid name: Oresundsbron) is a combined two-track rail and four-lane road bridge-tunnel across the Oresund strait. It is the longest combined road and rail bridge in Europe and connects the two metropolitan areas of the Öresund Region: the Danish capital of Copenhagen and the Swedish [...]