1. Denmark
   Greece
2. Iceland
   Greenland

Copenhagen began as a small Viking fishing village in the 10th century and became the capital city of Denmark in the 15th century. Perhaps its most iconic site is Nyhavn, a 17th-century harbor, that's lined with colorful houses featuring multiple windows.

1. Thailand
   Laos
2. Nigeria
   Australia

Bangkok is the largest city in the country and the world's 50th largest country by total area. Thailand is the only Southeast Asian country that was never colonized by a European country so it's fitting that the name of the country means “land of the free.”

1. Ghana
   Greece
2. Australia
   Serbia

Athens claims to be the oldest city on earth being more than 3,400 years old. According to the city's mythology, the Goddess Athena offered the Athenians the first domesticated olive tree and she was declared the patron goddess of Athens.

1. Uruguay
   Mongolia
2. Argentina
   Portugal

Buenos Aires is the largest city in Argentina and its name means "good airs." It is considered one of the most diverse cities in the Americas, receiving millions of immigrants. It's considered the birth place of the tango.

1. Spain
   Mozambique
2. England
   St. Martin

Madrid is one of the largest cities in the European Union, with a metropolitan population of over 6 million people. The city has modernized but also been able to preserve the style and look of its historic Spanish neighborhoods.

1. The United Arab Emirates
   Poland
2. The United States
   Malta

Washington, D.C was founded in 1791 and is not a part of any state. It averages 39 inches of rainfall a year and is home to more than 175 embassies and international cultural centers.

1. New Zealand
   United Kingdom
2. Chad
   Liberia

Wellington has been the capital city of New Zealand since 1865. It is the windiest city on earth by average wind speed.

1. Austria
   Madagascar
2. Mongolia
   Thailand

Vienna is famous for being the home of a number of classical music greats, including Beethoven and Brahms which led it to be known as the "City of Music." It's also said to be "The City of Dreams" because it was home to the world's first psychoanalyst – Sigmund Freud.

1. China
   Nigeria
2. North Korea
   Kosovo

Pyongyang is the capital of North Korea, officially known as the Democratic People's Republic of Korea. Pyongyang literally translates from Korean to mean "Flat Land."

1. Wales
   Lithuania
2. Spain
   France

Paris has been a major center of fashion, culture, science, finance and more for centuries. Paris is known for its museums and landmarks including the Louvre.

1. Corsica
   Italy
2. India
   South Korea

Today Rome boasts more than 900 churches, along with many relics of ancient Roman civilization. The smallest country in the world, The Vatican City, is an independent country inside the city boundaries of Rome, the only current example of a country within a city and for this reason Rome is often known as a capital of two states

1. Iran
   Morocco
2. Italy
   Georgia

Tehran is the most populous city in Iran and Western Asia and was first chosen as the capital of Iran by Agha Mohammad Khan of the Qajar dynasty in 1796. The city's most famous landmark is the Azadi Tower. constructed to commemorate the 2,500th anniversary of the Persian empire,

1. Cuba
   Spain
2. Germany
   South Korea

Havana is a major tourist destination attracting more than a million tourists annually. Old Havana was declared a UNESCO World Heritage Site in 1982 and it is essentially divided into three cities: Old Havana, business district Vedado and newer suburban districts.

1. Ukraine
   Ireland
2. Canada
   Syria

Dublin, the largest city in Ireland, founded the Guinness brewery in 1759 which became the largest brewery in the world and the largest employer in Dublin. The earliest evidence of human presence in Ireland dates back to 10,500 BC.

1. Yemen
   Turkey
2. France
   Estonia

Turkey's second largest city (after Istanbul), Ankara is home to about 50 museums and Alexander the Great conquered it in 333 B.C.E. Ankara became the capital of Turkey in 1923.

1. Lichtenstein
   Belize
2. The United States of America
   Germany

Berlin - the largest city by population and area - is one pf Germany's 16 federal states. Zoologischer Garten Berlin, the oldest zoo in the city, was founded in 1844 and is the most visited zoo in Europe, home to the most diverse range of species in the world.

1. Ankara
   The Netherlands
2. Wales
   Brazil

Amsterdam is the capital city of the Netherlands, also known as Holland. While Amsterdam is the capital city, the Dutch government is seated in a different city, The Hague.

1. Belarus
   Russia
2. Hungary
   Cameroon

Moscow is the largest city on the European continent, and one of the largest on earth. Residents of Moscow are known as Muscovites.

1. Thailand
   Sudan
2. China
   Greece

Beijing, formerly Peking, is the capital city of the People's Republic of China. Beijing includes the Forbidden City, known as the largest palace in the world.

1. Mexico
   Chile
2. The United Kingdom
   Italy

Mexico City is the oldest capital city in the Americas, founded in 1325. Residents were given the right to elect a head of government in 1997 and since then the the left-wing Party of the Democratic Revolution has dominated.

1. Japan
   The Czech Republic
2. Saudi Arabia
   Vietnam

Hanoi was once the capital of French Indochina, but today it is the capital of Vietnam. The city is over 1,000 years old and in 1999, it was given the title of “City for Peace” by UNESCO.

1. Brazil
   Bulgaria
2. Canada
   Chile

The Andes mountains can be seen from most of the city of Santiago and it one of the largest cities in the Americas. It was founded as Santiago del Nuevo Extremo (“Santiago of the New Frontier”) by Spanish conquistador Pedro de Valdivia in 1541.

1. The Philippines
   South Korea
2. Somalia
   Monaco

Seoul is the capital of South Korea, officially known as the Republic of Korea. Seoul includes 25 divisions, called gu, and each gu is divided into neighborhoods, called dong.

1. Iraq
   Jordan
2. Tunisia
   Tibet

Baghdad is the largest city in Iraq and the second largest city in the Arab world. In the wake of the war and insurgency attacks there have been substantial losses of cultural heritage and historical artifacts.

1. Belgium
   France
2. Cuba
   Hungary

Budapest was once two separate cities -- Buda and Pest -- separated by the Danube River. After the reconquest of Buda in 1686 it became the global city known as Pest-Buda and with the unification of Buda, Óbuda, and Pest in November 1873 it was renamed Budapest.

1. Angola
   The United Arab Emirates
2. China
   Belgium

Abu Dhabi is the second most populous in the UAE, after Dubai. "Dhabi" is Arabic for gazelle so the city name means "Father of Gazelle" allegedly because of the abundance of gazelles in the area.

1. Mexico
   Djibouti
2. Peru
   Colombia

Bogotá was founded by a Spanish conquistador, Gonzalo Jiménez de Quesada, in 1538. The indigenous community known as The Muisca called the area where the capital was founded Bacatá, which in the Chibcha language means "The Lady of the Andes." Located in the center of Colombia, Bogotá is also the largest city and has been the capital since 1819.

1. The United States of America
   Australia
2. Wales
   Brazil

Canberra, the capital of Australia, is the country's largest inland city. The city's name most likely comes from "Kamberra," the aboriginal word for "meeting place."

1. Switzerland
   The Czech Republic
2. Cote D'Ivoire
   Germany

Prague was the capital of the Kingdom of Bohemia and since 1992, the historic center has been included in the UNESCO list of World Heritage Sites.

1. South Africa
   Egypt
2. Haiti
   Spain

Cairo is the capital of Egypt, located in Northern Africa. The city is divided by the Nile River. Interestingly, there are two islands in the middle of the city.

1. Papua New Guinea
   Canada
2. France
   Haiti

Port-au-Prince is the capital of Haiti. The country was devastated after the 2010 earthquake, with deaths upwards of 230,000. It's difficult to ascertain the number of inhabitants due to the rapid growth of slums but some estimates say it's about 3.7 million, nearly half of Haiti's national population.

1. Mexico
   Iran
2. Bolivia
   Japan

Tokyo is the capital of Japan. The metropolitan area of Tokyo is the most populated of any on earth, with over 37 million people living there.

1. Nigeria
   Egypt
2. Vietnam
   Scotland

Abuja was built in the 1980s, to replace the former capital, Lagos. This planned city has two zones -- one for government-related facilities, and one for residential and commercial structures.

1. England
   France
2. Zimbabwe
   New Zealand

London, considered a global city, is over 2,000 years old and is home to the oldest underground railway network in the world, The London Underground.