Double obelisk is a term used to describe two tall, four-sided structures with pyramid-like tops that stand side-by-side. These structures are often used as decorative elements in architecture and can be made of various materials such as stone, granite or marble. Synonyms for double obelisk can include twin obelisks, coupled obelisks, paired obelisks and dual obelisks. These terms all refer to two obelisks placed together in a similar configuration to the double obelisk. Such structures were popular in ancient Egyptian architecture and remain a popular design element today in both traditional and modern buildings.