10 most difficult mon­u­ments riddles

The Paris Codex is devoted almost entirely to Mayan ritual and ceremony and is one of three surviving generally accepted pre-Columbian Maya books dating to the Period of Mesoamerican chronology (c. 900–1521 AD). The codex largely relates to a cycle of thirteen 20-year k'atuns and includes details of Maya astronomical signs.

Mysore is commonly described as the "City of Palaces", and there are seven palaces including this one. The current structure was constructed between 1897 and 1912, after the Old Palace was burnt ablaze. Ambavilas Palace is one of the most famous tourist attractions in India, after the Taj Mahal, with more than 6 million annual visitors.

The Palace of the Grand Master of the Knights of Rhodes also known as the Kastello, is a medieval castle in the city of Rhodes, on the island of Rhodes in Greece. It is one of the few examples of Gothic architecture in Greece. The site was previously a citadel of the Knights Hospitaller that functioned as a palace, headquarters, and a fortress.

The unfinished obelisk in Aswan, Egypt is nearly one-third larger than any ancient Egyptian obelisk ever erected. If finished it would have measured around 42 m and would have weighed nearly 1,090 tons.

The Selimiye Mosque is an Ottoman imperial mosque, which is located in the city of Edirne, Turkey. The mosque was commissioned by Sultan Selim II, and was built by architect Mimar Sinan between 1569 and 1575. It was considered by Sinan to be his masterpiece and is one of the highest achievements of Islamic architecture.

In the years of splendor in Venice there was a law that allowed only one building to wear the name of the palace - it was the Doge's Palace, the residence of the rulers of Venice. The rich Venetian families lived according to this law in the so-called houses (Casa abbreviated Ca). Currently, most residences of Venetian patricians carry the word "palace" in their name, although there are exceptions and some Venetian monuments are still called according to old traditions, eg Ca'Rezzonico or Ca 'd'Oro. Over 100 survived to modern times.

The Corinthian order is the last developed of the three principal classical orders of ancient Greek and Roman architecture. It is the most ornate of the orders. Its style is characterized by slender fluted columns and elaborate capitals decorated with acanthus leaves and scrolls. The oldest known example of a Corinthian column is in the Temple of Apollo Epicurius at Bassae in Arcadia, c. 450–420 BC.

The Church of Saint Sava is a Serbian Orthodox church located in Belgrade. It is dedicated to Saint Sava, the founder of the Serbian Orthodox Church, and an important figure in medieval Serbia. From its location, it dominates Belgrade's cityscape, and is perhaps the most monumental building in the city.

It is estimated that 5.5 million tonnes of limestone (quarried across the river), 8,000 tonnes of granite (imported from Aswan), and 500,000 tonnes of mortar were used in the construction of the Great Pyramid.

Glenn Herbert Gould (1932-1982) was a Canadian pianist who became one of the best-known and celebrated classical pianists of the 20th century. He was renowned as an interpreter of the keyboard works of Johann Sebastian Bach. His playing was distinguished by remarkable technical proficiency and capacity to articulate the polyphonic texture of Bach's music.