It is a quadrifrons trumphal arch, surmounted by an unusual octagonal cupola,and was erected (entirely in marble) by Gaius Calpurnius Celsus, quinquennial duumvir of the city, to commemorate the victories of Lucius Verus, junior colleague and adoptive brother of the Emperor Marcus Aurelius, over the Parthians in the Roman–Parthian War of 161–66.
His mausoleum, octagonal in plan and set upon a plinth in the middle of an artificial lake, is in Sasaram, and was completed by his son and successor Islam Shah Suri (1545AD-1553AD).
The Bassin de Naurouze is an octagonal holding tank, created during the building of the Canal du Midi as designed and built by Pierre-Paul Riquet.
In 1940 a pair of pillboxes was built on the roof of the main station building, flanking its octagonal tower.
The early-16th-century font, which is said to have come from Christchurch, is octagonal, with a monogram J D, perhaps for "John Draper," the last Prior of Christchurch Priory.
Broach spire, a spire that starts on a square base and is carried up to a tapering octagonal spire by means of triangular faces
At the end of the peninsula is Cape Liptrap Lighthouse that was built in 1951 in cast concrete, and is octagonal in shape.
Later Govardhan, the son of a Raja, modified the stupa to its present shape by building the octagonal tower to commemorate the visit of Humayun, the powerful Mughal ruler.
Commonly brown-covered, the 1910 edition was used until the revision of 1932, expanded and with some modifications, the standard through the present day, typically in first blue, then brown cover, with an octagonal emboss of the Original Mother Church tower and Extension dome.
She produced five individual Group One winners, including Octagonal, Mouawad, Kaapstad, Diamond Lover and (Our) Marquise who had 28 stakes wins between them.
An American advisor to the Development Commission, Horace Capron, planned to construct the building for the Kaitakushi office with an octagonal dome topping on the building, which was popular architectural style in the United States at that time.
Gole Market is a neighbourhood in the heart of New Delhi, India, which grew around the octagonal market by the same name built by Edwin Lutyens in 1921 within a traffic roundabout.
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The octagonal market was built in the axis planned by Edwin Lutyens as part of New Delhi's layout.
(The octagonal shape of the square is thought to have been modelled on the Place Vendôme in Paris).
The octagonal jail was designed by Thomas Young, modelled after Jeremy Bentham’s Panopticon design for prison construction, common in mid-19th century Britain and North America.
Inside the building, it is the spiral staircase leading up the first floor that stands out, topped with an octagonal dome, and a small Baroque-style chapel with an elliptical floor plan.
The latter was constructed in an octagonal floorplan by Antonio da Sangallo, over an Etruscan colombarium previously erected on a rocky outcrop on the lake.
The Branch Line's sidings and the Corporation's premises have been replaced by a variety of industrial and retail units, although the refuse destructor's octagonal chimney (a Grade II listed building, approximately 55 metres high) has been preserved next to Morrisons supermarket on Foss Islands Road.
It consists of a concrete octagonal column carrying a Celtic cross, standing on a trapezoidal base and octagonal plinth, in a semicircular enclosure.
The lower, rectangular portion of the building currently houses the River Hotel, while the octagonal upper stories are occupied by a branch of the Club Quarters chain of membership corporate accommodations.
It was built by Sir William de Clinton, 1st Earl of Huntingdon, in 1345 to a rectangular plan, with octagonal towers at each angle, a gatehouse on the east, and a residential range on the west, the whole surrounded by a broad moat.
In Aix-en-Provence, Riez and Fréjus, three octagonal baptistries, each covered with a cupola on pillars, are testimony to the influence of oriental architecture (the baptistry of Riez, in the Alpes-de-Haute-Provence, recalls that of St. George, Ezra', Syria).
;Morocco: Typically, a single square minaret; notable exceptions include a few octagonal minarets in northern cities -Chefchaouen, Tetouan, Rabat, Ouezzane, Asilah, and Tangier- and the round minaret of Moulay Idriss.
It features RISE safety cell with two straight rails combined with an octagonal section frame.
At some point in the 1850s, Nathan Bartlet Devereaux travelled to Ann Arbor to attend a lecture by Orson Squire Fowler, the leading proponent of octagonal houses.
Oakbrook Terrace Tower, an octagonal 31-story office building, was designed by Helmut Jahn and built in 1987.
Next is Howland's octagonal plan, a small house designed by 'Messrs. Morgan and Brothers, architects' which is similar to the Norrish House illustrated below.
In the Netherlands the reformed church in Willemstad, North Brabant, Koepelkerk (Domed Church) (1607), the first Protestant church building in the Netherlands, was given an octagonal shape according to Calvinism's focus on the sermon.
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Frederiksberg Church is turn regard as model for the octagonal baroque church (1756) in Rellingen, Schleswig-Holstein.
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The baroque Katharinenkirche in Großenaspe, Schleswig-Holstein, is an octagonal design with "pulpit altar" (″Kanzelaltar″ in German) used for instance in Sør-Fron Church.
Constructed by the master carpenter of the Glover Residence, Koyama Hidenoshin, it was originally a small wooden church with three aisles and three octagonal towers.
Cristóbal de Rojas (1546–56) affixed his coat-of-arms to the completed tower, with its octagonal pyramid, one of the marvels of Gothic architecture.
Influenced by the extensive remodeling of Prague Castle he had carried out during the 1920s, the "Slovene Acropolis" concept called for the demolition of all or most of the medieval structure and its replacement with a monumental octagonal complex, including a triumphal access ramp or stairway that would have begun next to the Magistrat at the foot of Castle Hill.
The piazza is octagonal, four sides being the streets; the remaining four sides are Baroque buildings, the near-identical facades of which contain fountains with statues of the four seasons, the four Spanish kings of Sicily, and of the patronesses of Palermo, (Cristina, Ninfa, Olivia, and Agata).
It is erected near the site of the former octagonal holding tank, called the Bassin de Naurouze, created during the building of the Canal du Midi.
The cathedral was consecrated by Pope Eugene IV in 1436 and was the first 'octagonal' dome in history to be built without a wooden supporting frame and was the largest dome built at the time (it is still the largest masonry dome in the world).
The choice of the octagonal plan and the date of construction (i.e. the 12th century) suggest Diotisalvi as its architect.
Behind the basilica is Camarin de la Virgen, an octagonal baroque structure (1687–96) with the impressive stuccoed Chamber of the Virgin and nine paintings by Luca Giordano.
It is erected near the site of the former octagonal holding tank, called the Bassin de Naurouze created during the building of the Canal du Midi.
The Siena Cathedral Pulpit is an octagonal structure in Siena Cathedral sculpted by Nicola Pisano and his assistants Arnolfo di Cambio, Lapo di Ricevuto, and Nicolas' son Giovanni Pisano between the fall of 1265 and the fall of 1268.
It was a small octagonal mud-brick church, hastily built on land donated by Governor James Stirling on his Woodbridge estate, next to where Guildford Grammar School now stands.
The church is laid out in a Latin-cross floor plan and features a 245 ft octagonal Medina sandstone steeple with a Seth Thomas clock.
A small upper church on an octagonal footing was built by Patriarch Juvenal (during Marcian's rule) over the location in the 5th century, and was destroyed in the Persian invasion of 614.
The high cross was constructed of plain brick, in an octagonal, four level design, which was later stuccoed and ornamented in the Gothic style in 1809.
The 1936 building is modeled after the Chicago Water Tower, with octagonal buttresses, crenellated towers, and a parapet wall.