Lisbon is the capital and the largest city of Portugal, with an estimated population of 505,526 within its administrative limits in an area of 100.05 km2. Its urban area extends beyond the city's administrative limits with a population of around 2.8 million people, being the 11th-most populous urban area in the European Union. About 3 million people live in the Lisbon Metropolitan Area (which represents approximately 27% of the country's population). It is mainland Europe's westernmost capital city and the only one along the Atlantic coast. Lisbon lies in the western Iberian Peninsula on the Atlantic Ocean and the River Tagus. The westernmost areas of its metro area form the westernmost point of Continental Europe, which is known as Cabo da Roca, located in the Sintra Mountains.

Madeira, officially the Autonomous Region of Madeira, is one of the two autonomous regions of Portugal (along with the Azores). It is an archipelago situated in the north Atlantic Ocean, southwest of Portugal. Its total population was estimated in 2011 at 267,785. The capital of Madeira is Funchal, which is located on the main island's south coast.

The archipelago is just under 400 kilometres (250 mi) north of Tenerife, Canary Islands. Bermuda and Madeira, a few time zones apart, are the only land in the Atlantic on the 32nd parallel north. It includes the islands of Madeira, Porto Santo, and the Desertas, administered together with the separate archipelago of the Savage Islands. The region has political and administrative autonomy through the Administrative Political Statue of the Autonomous Region of Madeiraprovided for in the Portuguese Constitution. The autonomous region is an integral part of the European Union as an outermost region.

 St. John's is the capital and largest city of the Canadian province of Newfoundland and Labrador. It is on the eastern tip of the Avalon Peninsula on the large Canadian island, Newfoundland. The city spans 446.04 square kilometres (172.22 sq mi) and is North America's easternmost city.

Its name has been attributed to the Nativity of John the Baptist, when John Cabot was believed to have sailed into the harbour in 1497 and to a Basque fishing town with the same name. Existing on maps as early as 1519, it is the oldest city in North America. It was officially incorporated as a city in 1888. With a metropolitan population of approximately 219,207 (as of July 1, 2017), the St. John's Metropolitan Area is Canada's 20th largest metropolitan area and the second largest Census Metropolitan Area (CMA) in Atlantic Canada, after Halifax.

The city has a rich history, having played a role in the French and Indian War, the American Revolutionary War, and the War of 1812. Italian inventor Guglielmo Marconi received the first transatlantic wireless signal in St. John's. Its history and culture have made it into an important tourist destination.

Halifax, also known as the Halifax Regional Municipality (HRM), is the capital of the Canadian province of Nova Scotia. The municipality had a population of 403,131 in 2016, with 316,701 in the urban area centred on Halifax Harbour. The regional municipality consists of four former municipalities that were amalgamated in 1996: Halifax, Dartmouth, Bedford, and Halifax County.

Halifax is a major economic centre in Atlantic Canada with a large concentration of government services and private sector companies. Major employers and economic generators include the Department of National Defence, Dalhousie University, Saint Mary's University, the Halifax Shipyard, various levels of government, and the Port of Halifax. Agriculture, fishing, mining, forestry and natural gas extraction are major resource industries found in the rural areas of the municipality.

Boston is the capital and most populous municipality of the Commonwealth of Massachusetts in the United States. The city proper covers 48 square miles (124 km2) with an estimated population of 685,094 in 2017, making it also the most populous city in New England. Boston is the seat of Suffolk County as well, although the county government was disbanded on July 1, 1999. The city is the economic and cultural anchor of a substantially larger metropolitan area known as Greater Boston, a metropolitan statistical area (MSA) home to a census-estimated 4.8 million people in 2016 and ranking as the tenth-largest such area in the country. As a combined statistical area (CSA), this wider commuting region is home to some 8.2 million people, making it the sixth-largest in the United States.

Boston is one of the oldest cities in the United States, founded on the Shawmut Peninsula in 1630 by Puritansettlers from England. It was the scene of several key events of the American Revolution, such as the Boston Massacre, the Boston Tea Party, the Battle of Bunker Hill, and the Siege of Boston. Upon gaining U.S. independence from Great Britain, it continued to be an important port and manufacturing hub as well as a center for education and culture. The city has expanded beyond the original peninsula through land reclamation and municipal annexation. Its rich history attracts many tourists, with Faneuil Hall alone drawing more than 20 million visitors per year. Boston's many firsts include the United States' first public park (Boston Common, 1634), first public or state school (Boston Latin School, 1635) and first subway system (Tremont Street Subway, 1897).

The Boston area's many colleges and universities make it an international center of higher education, including law, medicine, engineering, and business, and the city is considered to be a world leader in innovationand entrepreneurship, with nearly 2,000 startups. Boston's economic base also includes finance, professional and business services, biotechnology, information technology, and government activities. Households in the city claim the highest average rate of philanthropy in the United States; businesses and institutions rank among the top in the country for environmental sustainability and investment. The city has one of the highest costs of living in the United States as it has undergone gentrification, though it remains high on world livability rankings.

The world famous city of New York , the largest city in the United States, with a population of 8.5 million people, and with suburbs - 20.6 million. New York is the largest economic, political, scientific, and cultural center of the United States. It is rightly called the "Main Gate" in the United States, and the world's largest John F. Kennedy Airport is located here. One of the distinguishing features of the city is the variegated national composition of the population, also called the United States in Miniature.

New York gathered in itself the whole essence of this country: fashion, religion, goods, pace and rhythm of American life. The UN headquarters is located here. There are also many universities in New York, the Academy of Sciences, and many other scientific institutions. Like any other metropolis in the world, New York invites you to visit numerous museums in the city, theaters and concert halls, including the Metropolitan Opera and Carnegie Hall. A great place to relax in New York is Central Park, where you can feed hand-held squirrels, which, to everyone's surprise, are not afraid of people. You can also appreciate the beauty of the famous Empire State Building, with a height of 102 floors, it is an example of skyscrapers, although it was built in 1829-1831. "Must see" in New York, of course, the Statue of Liberty ("Lady Liberty"), located at the mouth of the Hudson River, on the small island of Liberty. And of course, don't forget to stroll along Broadway.