Beijing is China's huge capital city, with 12 million people at least living in the city proper. The Forbidden City, the largest ancient palatial structure anywhere in the world, is a fascinating tourist destination.
The city of Cairo was founded around 2000 BC. Today Cairo is known for its many historic sites, including the Giza pyramid complex and beautiful mosques.
This desert city in the state of Nevada is famous for its casinos, entertainment and nightlife. Most of this can be found on the Las Vegas Strip, a four-mile stretch with many of the world's most famous luxury hotels.
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New York City is amongst the world's major financial, cultural and commercial centers. The city was first settled in 1624 and has a population of over 8 million people.
The city of Paris is more than 2,000 years old. A seat of culture, food and art, it's known for its museums and architecture.
Los Angeles, California, is a thriving mecca of film, TV and celebrities. This city is known for its L.A. lifestyle and culture - and the towering Hollywood sign.
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Shanghai is the largest international financial hub in China. With over 24 million inhabitants, it's one of the most highly populated cities on earth.
London, one of the world's top tourist destinations, can be found in southern England, a part of the U.K. London's history dates all the way back to Roman times.
The city of Dubai is known for its luxury living, nightlife and cutting-edge modern architecture. Since the '90s it has become one of the fastest growing cities on earth.
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Berlin, once a divided city, is the capital of Germany and dates back to the 13th century. Today Berlin is known for its vibrant art and cultural scene.
Toronto is the capital of the province of Ontario, Canada. It's known for large skyscrapers, green spaces and a vibrant food scene.
Tokyo is the capital city of Japan, known for its unique mixture of skyscrapers and traditional temples. It is one of the most densely populated metropolitan areas on Earth.
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This seaside city is famous for its beaches and the Christ the Redeemer statue - and for throwing what many consider to be the world's largest Carnaval festival. The city was founded in the 16th century.
This ancient holy city dates back to 3000 B.C. It has been a place of pilgrimage for Muslims, Jews and Christians for thousands of years.
This capital city is one of the biggest cities on earth. Roughly half of the entire population of South Korea lives there.
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Miami, Florida, is on the state's southeastern tip. The city is famous for beaches, nightlife and Cuban influence.
Montreal is the largest city in the French-speaking province of Quebec, Canada. Known for its many cobblestone streets and beautiful architecture, the city is set on an island on the St. Lawrence River.
New Orleans, Louisiana, is a southern city with deep Creole roots. It's famous for Voodoo and Cajun cuisine.
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The city of Rome was founded in 753 B.C. This famous city was the heart of the Roman Empire for centuries and is home to some of the world's most influential art.
Amsterdam is the capital city of the Netherlands. It's known for its famous and elaborate canal system, along with historic and modern art.
Sydney is one of Australia's largest cities. It's known for the iconic Sydney Opera House and is considered by many to be the fashion capital of Australia.
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Vienna is the capital city of Austria. Historically it has had numerous famous residents, including the composer Mozart and Freud, who is referred to as the father of psychoanalysis.
Bangkok is the capital city of Thailand. It's known for its Erawan Shrine, lively street life and unique street food.
Chicago, Illinois, is a large Midwestern city, often called the "Windy City." It's famous for its architecture, museums and deep-dish pizza.
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This northern California city is famous for its year-round fog and cable cars. It was famously a countercultural mecca for hippies during the 1960s.
This city is the birthplace of the Prophet Muhammad and Islam itself. Only Muslims are allowed in the city and every year millions travel there in a pilgrimage called Hajj.
This major Turkish city straddles both Asia and Europe. This city has been ruled by numerous empires and entities, which can be seen in its architecture. Istanbul has been known as Constantinople and Byzantium.
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Athens is the capital of Greece. It was also the ancient heart of the Greek civilization.
Sarajevo is a small capital city, surrounded by the Dinaric Alps. It's the place where Archduke Franz Ferdinand was assassinated, which began World War I.
Venice, Italy, is stretched across more than 100 small islands. It has nearly no roads, only its famous canals.
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Mumbai is the largest city in India and one of the largest cities on Earth. It was previously called Bombay.
Hiroshima and Nagasaki were two cities destroyed when the United States dropped atomic bombs on them during World War II. Today Hiroshima is a modern city, with a population of over one million.
This famous port city sits in western Morocco. It's known by Westerners mostly due to the classic 1942 film, "Casablanca," starring Humphrey Bogart and Ingrid Bergman.
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Barcelona, Spain, is a popular tourist destination, known for its art and modernist architecture. It has a population of over one million people.