Gateway Arch

The Gateway Arch, or Gateway to the West,^[5] is an arch that is the centerpiece of the Jefferson National Expansion Memorialin St. Louis, Missouri. It was built as a monument to the westward expansion of the United States. At 630 feet (192 m), it is the tallest man-made monument in the United States,^[4] Missouri's tallest accessible building, and the largest architectural structure designed as a weighted or flattened catenary arch.^[4]

The arch is located at the site of St. Louis' foundation,^[6] on the west bank of the Mississippi River where Pierre Laclède, just after noon on February 14, 1764, told his aide, Auguste Chouteau, to build a city.^[7][8]

The Gateway Arch was designed by Finnish-American architect Eero Saarinen and German-American structural engineerHannskarl Bandel in 1947. Construction began on February 12, 1963, and ended on October 28, 1965,^[9][10] costing US$13 million at the time^[11] (approximately $95,900,000 in 2012^[2]). The monument opened to the public on June 10, 1967.^[12]

Collecting Souvenir Buildings

Hampton Court Palace

A well-known curiosity of the palace's grounds is Hampton Court Maze; planted in the 1690s by George London and Henry Wise forWilliam III of Orange.^[36] The maze covers a third of an acre and contains half a mile of paths. It is possible that the current design replaced an earlier maze planted for Cardinal Wolsey. It was originally planted with hornbeam; it has been repaired latterly using many different types of hedge.

http://en.wikipedia.org/wiki/Hampton_Court_Palace

John Hancock Center

Including its antennas, the John Hancock Center has a height of 1,500 feet (457 m), making it the fifth-tallest building in the world when measured to pinnacle height. 

 One of the most famous buildings of the structural expressionist style, the skyscraper's distinctive X-bracing exterior is actually a hint that the structure's skin is indeed part of its 'tubular system'. This idea is one of the architectural techniques the building used to climb to record heights (the tubular system is essentially the spine that helps the building stand upright during wind and earthquake loads). This X-bracing allows for both higher performance from tall structures and the ability to open up the inside floorplan (and usable floor space) if the architect desires. Original features such as the skin have made the John Hancock Center an architectural icon. It was pioneered by Bangladeshi-American structural civil engineer Fazlur Khan and chief architect Bruce Graham.