The process and product of sketching, conceiving, planning, designing, and constructing buildings or other structures are both referred to as architecture. In the material form of buildings, architectural works are frequently perceived as cultural symbols and works of art.
The Colosseum's original name was the Flavian Amphitheatre, named after the Flavian dynasty of emperors. The name "Colosseum" likely originated from a colossal bronze statue of Emperor Nero that once stood nearby.
The Colosseum is one of Italy's most visited attractions, welcoming millions of visitors annually, often exceeding 6 million visitors per year.
In 2007, the Colosseum was named one of the New Seven Wonders of the World.
The Colosseum is an ancient Roman amphitheatre located in Rome. Construction began around 70–72 C.E. under Emperor Vespasian and was completed in 80 C.E. by his son, Emperor Titus.
The Colosseum is one of the most famous and recognizable landmarks in the world and is considered a masterpiece of Roman engineering.
Built primarily from travertine limestone, tuff stone, brick-faced concrete, and volcanic materials, the Colosseum stands about 48 meters (157 feet) tall.
The amphitheatre could accommodate an estimated 50,000 to 80,000 spectators, making it the largest amphitheatre ever built in the Roman Empire.
The Colosseum was used for gladiatorial contests, animal hunts, public executions, battle reenactments, and dramatic performances based on Roman mythology.
Ancient Romans used a complex system of underground tunnels and chambers, known as the hypogeum, to house animals, gladiators, and stage equipment before events.
The arena featured a massive retractable awning called the velarium, which provided shade for spectators during hot weather.
Despite damage from earthquakes, stone robbers, and centuries of neglect, much of the structure still stands nearly 2,000 years after its construction.
In 1980, the Colosseum was designated a UNESCO World Heritage Site as part of the Historic Centre of Rome.
Notre-Dame Cathedral is one of the most famous examples of French Gothic architecture.
It is located on the Île de la Cité in Paris.
Construction began in 1163 during the reign of King Louis VII.
The cathedral took nearly 200 years to complete, with major work finishing around 1345.
Its name, "Notre-Dame," means "Our Lady" in French and refers to the Virgin Mary.
The cathedral is famous for its twin towers, intricate sculptures, flying buttresses, and stunning rose windows.
It houses important Christian relics, including a relic traditionally identified as the Crown of Thorns.
The Hunchback of Notre-Dame by Victor Hugo helped revive public interest in preserving the cathedral during the 19th century.
In April 2019, a major fire damaged the roof and destroyed the cathedral's iconic spire.
After extensive restoration, the cathedral officially reopened to visitors and worshippers in 2024.
The famous gargoyles seen on Notre-Dame are not just decorative—they were designed to help drain rainwater away from the building's walls.
The cathedral receives millions of visitors each year, making it one of the world's most visited historic monuments.
The Cathedral of Brasília (officially the Metropolitan Cathedral of Our Lady of Aparecida) is one of the most iconic landmarks in Brasília and a masterpiece of modern architecture designed by Oscar Niemeyer. Construction began in 1958, and the cathedral was officially inaugurated in 1970.
The Cathedral of Brasília is often regarded as the architectural symbol of modern Brazil, combining faith, engineering, art, and futuristic design in a single structure.
The structure consists of 16 curved concrete columns, each weighing about 90 tons, arranged in a hyperboloid shape that resembles hands reaching toward heaven or a crown of thorns.
Most of the cathedral is actually below ground level. Visitors enter through a dark tunnel and emerge into a bright, soaring interior filled with natural light.
The roof is filled with stunning stained glass designed by Marianne Peretti, creating a blue-green glow throughout the interior.
Three large angel sculptures hang from steel cables above the nave, giving the interior a floating, ethereal atmosphere.
The cathedral is considered one of the greatest examples of Modernist architecture. Unlike traditional cathedrals with towers and heavy stone walls, Niemeyer used sweeping curves, reinforced concrete, and light to create a structure that feels futuristic even decades after its completion.
The cathedral is located on Brasília's Monumental Axis and forms part of the architectural ensemble that helped the city earn designation as a UNESCO World Heritage Site in 1987. Brasília itself was planned by Lúcio Costa, while many of its most famous buildings were designed by Niemeyer.
The present Gothic church was commissioned by Henry III in 1245, replacing an earlier Norman abbey. Construction continued for centuries, with major sections completed by the early 16th century. The iconic western towers seen today were added in the 18th century.
Westminster Abbey is not a cathedral but a "Royal Peculiar," meaning it is directly under the authority of the British monarch rather than a bishop. The church has hosted numerous royal weddings, coronations, state funerals, and national ceremonies throughout its history.
The abbey is home to the historic Coronation Chair, one of the oldest pieces of furniture still used for its original purpose. Every English and British monarch since the 14th century, with only a few exceptions, has been crowned while seated on this chair.
More than 3,000 notable individuals are buried or commemorated within the abbey, including scientists, writers, monarchs, and political leaders. The famous Poets' Corner contains memorials to literary figures such as William Shakespeare, Geoffrey Chaucer, and Charles Dickens. The abbey is also the final resting place of Isaac Newton and Charles Darwin.
Westminster Abbey is one of the most famous churches in the world and a masterpiece of English Gothic architecture. Located in the heart of London, it has served as the coronation church of English and British monarchs since 1066 and remains an important symbol of British history and culture.
Every British coronation for nearly a thousand years has taken place at Westminster Abbey, making it one of the longest-continuously used ceremonial sites in the world.
Completed in 1986, the Lotus Temple in New Delhi is a Baháʼí House of Worship made of concrete and white marble. Its 27 petals form the shape of a giant lotus flower, symbolizing unity and peace, and it welcomes people of all faiths for prayer and meditation.
Unlike many religious sites, the Lotus Temple contains no idols, statues, or ritual altars. Visitors are encouraged to pray, meditate, or sit quietly regardless of their faith.
Lotus Temple is one of the most recognizable landmarks in India and a masterpiece of modern architecture. Completed in 1986, the temple serves as a Baháʼí House of Worship and welcomes people of all religions, backgrounds, and beliefs.
Designed by Iranian-Canadian architect Fariborz Sahba, the structure consists of 27 marble-clad petals arranged in groups of three to form nine sides. The temple's flower-like appearance symbolizes unity, harmony, and spiritual enlightenment.
Unlike many religious sites, the Lotus Temple contains no idols, statues, or ritual altars. Visitors are encouraged to pray, meditate, or sit quietly regardless of their faith.
The temple is surrounded by nine reflecting pools and beautifully landscaped gardens that enhance its lotus-like appearance. Its striking design has earned numerous architectural awards and international recognition.
The Lotus Temple is one of the most visited religious monuments in the world, attracting millions of visitors annually.
The number nine appears throughout the design because it symbolizes completeness and unity in the Baháʼí Faith.
The temple has no clergy and hosts no formal sermons; its purpose is to provide a space for prayer and contemplation for everyone.
The construction of Cologne Cathedral began in 1248 and was not completed until 1880.
Cologne Cathedral is Northern Europe's largest Gothic church.
Sir Christopher Wren designed the current St. Paul's Cathedral, which took 35 years to complete. It is London's second-largest cathedral.
In 1931, the Empire State Building was completed. It is New York City's fourth tallest structure.
Big Ben, London's largest clocktower, was completed in 1859. Its name actually refers to the large bell inside the clocktower, which is known as the Elizabeth Tower.
The Taj Mahal in Agra, Bharat, was completed in 1653 and is a beautiful monument to love made of pure white marble.
The Burj Khalifa in Dubai is the world's tallest building, standing 828 meters tall.
The Burj Khalifa is also the tallest freestanding structure in the world, with the most stories, the most occupied floors, the highest outdoor observation deck in the world, the elevator with the longest travel distance in the world, and the tallest service elevator in the world.
The Burj Khalifa has the world's longest single-running elevator, with a capacity of 140 floors. The elevator speed at the Burj Khalifa is 10 meters per second, making it one of the fastest in the world. The Burj Khalifa elevator ride to the 124th floor observation deck takes only one minute.
The tip of the Burj Khalifa's sphere can be seen from up to 95 kilometres away.
At its peak, 12,000 workers per day were employed on the Burj Khalifa.
The Burj Khalifa required over 110,000 tonnes of concrete, 55,000 tonnes of steel rebar, and 22 million man-hours to complete.