Adobe structures are extremely durable, and account for some of the oldest existing buildings in the world.

The project began in 605 and was completed in 609, although much of the work combined older canals, the oldest section of the canal existing since at least 486 BC.

In addition to ongoing beautification and renewal projects for the existing parks, a number of new parks have been added in recent years, such as the Ping Tom Memorial Park in Chinatown, DuSable Park on the Near North Side, and most notably, Millennium Park in a section of one of Chicago's oldest parks, Grant Park in the Chicago Loop.

The oldest continuing school voucher programs existing today in the United States are the Town Tuitioning programs in Vermont and Maine, beginning in 1869 and 1873 respectively.

Cultures in this period include: Hamburgian, Federmesser, and the Natufian culture, during which the oldest inhabited places still existing on Earth were first settled, such as Jericho in the Middle East.

The legislative power of the government is vested in a bicameral parliament called Tynwald ( said to be the world's oldest continuously existing parliament ), which consists of the directly elected House of Keys and the indirectly chosen Legislative Council.

The Aberdeen Pavilion, built in 1898 in Ottawa was used for ice hockey in 1904 and is the oldest existing facility that has hosted Stanley Cup games.

The oldest still existing korfball club to never have merged with any other club is a Dutch korfball-club H. K. C.

The oldest existing kayaks are exhibited in the North America department of the State Museum of Ethnology in Munich.

Tianyi Chamber, founded in 1561 by Fan Qin during the Ming Dynasty, is the oldest existing library in China.

Tianyi Chamber, founded in 1561 by Fan Qin during the Ming Dynasty, is the oldest existing library in China.

is the oldest existing collection of Japanese poetry, compiled some time after 759 AD during the Nara period.

It is the second oldest existing film studio in the world behind Gaumont Pictures.

Neill founded Summerhill School, the oldest existing democratic school in Suffolk, England in 1921.

Ballads are the oldest existing form of the Robin Hood legends, although none of them are recorded at the time of the first allusions to him, and many are much later.

They are also the oldest existing team in the NFL to never have had a tie game.

The oldest still existing club, Club Cosmos in Gothenburg, was formed in 1954, and the first Swedish science fiction convention, LunCon, was held in Lund in 1956.

* December 26 – Phi Iota Alpha, the oldest existing Latino fraternity, is founded.

Stockport Lacrosse Club are thought to be the oldest existing lacrosse club in the world.

* The Philomathean Society of the University of Pennsylvania is founded ( the oldest continuously existing literary society in the United States ).

* The oldest existing English language newspaper in the world, The ( Belfast ) News Letter, is founded in Ireland.

NOAA was formed on October 3, 1970, after Richard Nixon proposed creating a new department to serve a national need "… for better protection of life and property from natural hazards … for a better understanding of the total environment … for exploration and development leading to the intelligent use of our marine resources …" NOAA formed a conglomeration of three existing agencies that were among the oldest in the federal government.

A view of the Catalan forge s at Mission San Juan Capistrano, the oldest existing facilities ( circa 1790s ) of their kind in the State of California.

Ropp Center: The oldest existing building on the Tech campus

One theory holds that Agade was situated opposite Sippar on the left bank of the Euphrates, and was perhaps the oldest part of the city of Sippar.

The oldest part of the present semi-ruin constitutes one of the earliest surviving stone castles in mainland Scotland.

The oldest Australian Aboriginal boomerangs are ten thousand years old, but older hunting sticks have been discovered in Europe, where they seem to have formed part of the stone age arsenal of weapons.

The oldest extant Chinese star chart dates to the Tang period and was preserved as part of the Dunhuang Manuscripts.

Dice have been used throughout Asia since before recorded history ; the oldest known dice were excavated as part of a 5000-year-old backgammon set at the Burnt City, an archeological site in south-eastern Iran.

It later became known as Camp Wyman, now a part of Wyman Center, and is one of the oldest camps in the United States.

To the east is the oldest part of the island, formed over 400 million years ago.

Of his cult at Eridu, which goes back to the oldest period of Mesopotamian history, nothing definite is known except that his temple was also associated with Ninhursag's temple which was called Esaggila, " the lofty head house " ( E, house, sag, head, ila, high ; or Akkadian goddess = Ila ), a name shared with Marduk's temple in Babylon, pointing to a staged tower or ziggurat ( as with the temple of Enlil at Nippur, which was known as E-kur ( kur, hill )), and that incantations, involving ceremonial rites in which water as a sacred element played a prominent part, formed a feature of his worship.

The center of Kaminaljuyu was located a short distance from the oldest part of Guatemala City.

The part of the Wielbark culture that moved was the oldest portion, located west of the Vistula and still practicing Scandinavian burial traditions.

At that point it was a part of Naarden, the oldest town in the Gooi area.

Hedeby was the largest Nordic city during the Viking Age and used to be the oldest city in Denmark until the site became part of Germany.

The area in and around modern Jakarta was part of the fourth century Sundanese kingdom of Tarumanagara, one of the oldest Hindu kingdoms in Indonesia.

Once part of the Templar commandery of Metz, the oldest Templar institution of the Holy Roman Empire.

It incorporates the oldest section of underground railway in the world, which opened in 1863 and now forms part of the Circle, Hammersmith & City, and Metropolitan lines ; and the first line to operate electric trains, in 1890, now part of the Northern line.

His third oldest son, Yahya, is of interest to some because he reportedly converted to Eastern Orthodox Christianity and campaigned for a good part of his life to gain the Ottoman Imperial throne, to which his younger brother Ahmed I succeeded to in 1603.

Isolated Petrous part of the temporal bone | petrosals of Djarthia murgonensis, Australia's oldest marsupial fossils

* Rural site part of USA's oldest sat-tracking system from USA Today

The prominent open cluster Pleiades has been recognized as a group of stars since antiquity, while the Hyades forms part of Taurus, one of the oldest constellations.

* Morrowan stage, corresponding with the middle and lower part of the Pottsville Group ( oldest )

The oldest rocks are approximately 190 million years old ( Jurassic ) and are located at Sierra Bermeja in the southwest part of the island.

This force is still in operation today as part of the Metropolitan Police and is the oldest police force in the world.

Regional peasantry supplied the city with food and raw materials, while the craftsmen in the city produced handicrafts, most of whom lived by the central square Stortorget or by the oldest two streets in Stockholm, the names of which still reflects their trade: Köpmangatan (" Merchant's Street ") and Skomakargatan (" Shoemaker's Street ") in the central part of the city.