Mount Rushmore

The Mount Rushmore or the Mount Rushmore National Memorial, near Keystone, South Dakota, is a monumental granite sculpture by Gutzon Borglum (1867–1941), located within the United States Presidential Memorial that represents the first 150 years of the history of the United States of America with 60-foot (18 m) sculptures of the heads of former United States presidents (left to right): George Washington (1732–1799), Thomas Jefferson (1743–1826), Theodore Roosevelt (1858–1919), and Abraham Lincoln (1809–1865). The entire memorial covers 1,278.45 acres (5.17 km2) and is 5,725 feet (1,745 m) above sea level. It is managed by the National Park Service, a bureau of the United States Department of the Interior. The memorial attracts approximately two million people annually.

Mount Rushmore is largely composed of granite. The memorial is carved on the northwest margin of the Harney Peak granite batholith in the Black Hills of South Dakota, so the geologic formations of the heart of the Black Hills region are also evident at Mount Rushmore. The batholith magma intruded into the pre-existing mica schist rocks during the Precambrian period about 1.6 billion years ago. However, the uneven cooling of the molten rock caused the formation of both fine and coarse-grained minerals, including quartz, feldspar, muscovite, and biotite. Fractures in the granite were sealed by pegmatite dikes. The light-colored streaks in the presidents' foreheads are due to these dikes.

The Black Hills granites were exposed to erosion during the late Precambrian, but were buried by sandstones and other sediments during the Cambrian Period. The area remained buried throughout the Paleozoic Era, but was exposed again to erosion during the tectonic uplift about 70 million years ago. The Black Hills area was uplifted as an elongated geologic dome which towered some 20,000 feet (6,100 m) above sea level, but erosion wore the area down to only 4,000 feet (1,200 m). The subsequent natural erosion of this mountain range allowed the carvings by stripping the granite of the overlying sediments and the softer adjacent schists. The contact between the granite and darker schist is viewable just below the sculpture of Washington.

Borglum selected Mount Rushmore as the site for several reasons. The rock of the mountain is composed of smooth, fine-grained granite. The durable granite erodes only 1 inch (25 mm) every 10,000 years, indicating that it was sturdy enough to support sculpting. In addition, it was the tallest mountain in the region, looming to a height of 5,725 feet (1,745 m) above sea level. Because the mountain faces the southeast, the workers also had the advantage of sunlight for most of the day.

Duino

Duino is a town in the coastal part of the municipality of Duino-Aurisina, part of the region of Friuli-Venezia Giulia in the province of Trieste, north-eastern Italy. The total population is recorded as 8,753, the population density (per square kilometre) as 193.8, and number of housing units as 3,983.

Duino is noted for being the place where the physicist Ludwig Boltzmann died and for inspiring the poet Rainer Maria Rilke to write his Duino Elegies. The two castles are the main attraction. The older castle, dating back to the eleventh century, is in ruins, while the newer castle is inhabited to this day and can be visited by tourists. Below the ruins of the ancient castle there lies a white rock projecting into the sea, the Dama Bianca, which resembles a veiled woman and gave origin to many gothic legends.

The new castle of Duino is approximately dated to about the year 1400, when the family Wallsee commanded the construction of a strong fortress. Over time, the Wallsee family disappeared and the castle, after having been used as a prison, became the residence of the Luogar and Hofer. At the end of the 19th century it became the property of Prince Alexander Johann Vincenz Rudolf Hugo Karl Lamoral Eligius von Thurn und Taxis from the Czech Branch of the House of Thurn und Taxis. It remains with the family to this day with his great-grandson Prince Carlo Alessandro della Torre e Tasso, Duke of Castel Duino the current owner. The castle has been opened to the public as a museum and park.

Since 1982 the town has been home to the United World College of the Adriatic, a no-fee international school attended by students from 80 different countries.

South Beach

South Beach is a neighborhood in the city of Miami Beach, Florida, United States. It is the area south of Indian Creek and encompasses roughly the southernmost 23 blocks of the main barrier island that separates the Atlantic Ocean and Biscayne Bay. This area was the first section of Miami Beach to be developed, starting in the 1910s, thanks to the development efforts of Carl G. Fisher, the Lummus Brothers, John S. Collins, and others. The area has gone through numerous man-made and natural changes over the years, including a booming regional economy, increased tourism, and the 1926 hurricane, which consequently destroyed much of the area.

South Beach is traversed by numerical streets which run east-west, starting with First Street and the largely pedestrianized Lincoln Road (between 16th and 17th). It also has 13 principal Roads and Avenues running north-south, which, from the Biscayne Bay side, are Bay Road, West Avenue, Alton Road, Lenox Avenue, Michigan Avenue, Jefferson Avenue, Meridian Avenue, Euclid Avenue, Pennsylvania Avenue, Drexel Avenue, Washington Avenue, Collins Avenue (Florida State Road A1A), and Ocean Drive. There are three smaller avenues (that do not run the entire length of the beach) in the Collins Park area, named Park, Liberty, and James. Most locals agree that South Beach's northern boundary runs along Dade Boulevard from Lincoln Road on the bay side of the island, and heads east-north-east until it connects with 23rd Street, which forms the northern boundary on the ocean side.