The Karlsruhe Pyramid is a pyramid

Pyramid

A pyramid is a structure whose outer surfaces are triangular and converge at a single point. The base of a pyramid can be trilateral, quadrilateral, or any polygon shape, meaning that a pyramid has at least three triangular surfaces...

 made of red sandstone

Sandstone

Sandstone is a sedimentary rock composed mainly of sand-sized minerals or rock grains.Most sandstone is composed of quartz and/or feldspar because these are the most common minerals in the Earth's crust. Like sand, sandstone may be any colour, but the most common colours are tan, brown, yellow,...

, located in the centre of the market square of Karlsruhe

Karlsruhe

The City of Karlsruhe is a city in the southwest of Germany, in the state of Baden-Württemberg, located near the French-German border.Karlsruhe was founded in 1715 as Karlsruhe Palace, when Germany was a series of principalities and city states...

, Germany. It was erected in the years 1823–1825 over the vault of the city's founder, Margrave

Margrave

A margrave or margravine was a medieval hereditary nobleman with military responsibilities in a border province of a kingdom. Border provinces usually had more exposure to military incursions from the outside, compared to interior provinces, and thus a margrave usually had larger and more active...

 Charles III William (1679–1738). The pyramid is regarded as Karlsruhe's second emblem, the city's absolutist

Absolutism (European history)

Absolutism or The Age of Absolutism is a historiographical term used to describe a form of monarchical power that is unrestrained by all other institutions, such as churches, legislatures, or social elites...

 layout in the shape of a folding fan being the first.

The pyramid's central location was originally occupied by the Lutheran Concord Church, a Baroque

Baroque architecture

Baroque architecture is a term used to describe the building style of the Baroque era, begun in late sixteenth century Italy, that took the Roman vocabulary of Renaissance architecture and used it in a new rhetorical and theatrical fashion, often to express the triumph of the Catholic Church and...

 timber-framed

Timber framing

Timber framing , or half-timbering, also called in North America "post-and-beam" construction, is the method of creating structures using heavy squared off and carefully fitted and joined timbers with joints secured by large wooden pegs . It is commonplace in large barns...

 building. When Karlsruhe grew at the beginning of the 19th century, the church became too small and obstructed the southward expansion of the city and its market square. It was demolished in 1807, and initially a wooden pyramid was erected over the city founder's vault as a temporary measure before moving it into the new main church.

Due to lack of resources this plan could not be realised, and 16 years later architect Friedrich Weinbrenner

Friedrich Weinbrenner

Friedrich Weinbrenner was a German architect and city planner admired for his mastery of classical style.- Birth and education :...

 designed the neoclassical

Neoclassical architecture

Neoclassical architecture was an architectural style produced by the neoclassical movement that began in the mid-18th century, manifested both in its details as a reaction against the Rococo style of naturalistic ornament, and in its architectural formulas as an outgrowth of some classicizing...

 stone monument as a permanent replacement for the old church. It has a square footprint and an exterior height of 6.5 metres (21.3 ft). The interior can be entered through a small square opening, but is only accessible with consent of its former owners (until 1940), the House of Baden. It consists of a vertical sequence of three chambers, the lowest of which is the original burial vault. The city's foundation stone is also located inside the pyramid. The monument is an example of Egyptian Revival architecture

Egyptian Revival architecture

Egyptian Revival is an architectural style that uses the motifs and imagery of ancient Egypt. It is attributed generally to the public awareness of ancient Egyptian monuments generated by Napoleon's conquest of Egypt and Admiral Nelson's defeat of Napoleon at the Battle of the Nile during 1798....

, inspired by the burial function of Egyptian pyramids

Egyptian pyramids

The Egyptian pyramids are ancient pyramid-shaped masonry structures located in Egypt.There are 138 pyramids discovered in Egypt as of 2008. Most were built as tombs for the country's Pharaohs and their consorts during the Old and Middle Kingdom periods.The earliest known Egyptian pyramids are found...

 and by similar buildings of the Napoleonic era

Napoleonic Era

The Napoleonic Era is a period in the history of France and Europe. It is generally classified as including the fourth and final stage of the French Revolution, the first being the National Assembly, the second being the Legislative Assembly, and the third being the Directory...

. The pyramid was not affected by the extensive bombings in the Second World War.