Boston is the capital of and largest city in Massachusetts, and is one of the oldest cities in the United States. The largest city in New England, Boston is regarded as the unofficial "Capital of New England" for its economic and cultural impact on the entire "New England" region. The city proper had a 2009 estimated population of 645,169, making it the twentieth largest in the country. It is also the anchor of a substantially larger metropolitan area called  "Greater Boston", home to 4.5 million people and the tenth-largest metropolitan area in the country. Greater Boston as a commuting region includes six Massachusetts counties:  "Essex", "Middlesex","Norfolk", "Suffolk", "Plymouth", "Worcester", northern "Bristol" County, all of "Rhode Island" and parts of "New Hampshire"; it is home to 7.6 million people, making it the fifth-largest Combined Statistical Area in the United States.

Sydney is a Canadian urban community in the province of Nova Scotia. It is situated on the east coast of Cape Breton Island and is administratively part of the Cape Breton Regional Municipality. Sydney was incorporated in 1904 and dissolved on August 1, 1995, when it was merged into the regional municipality. It is the largest urban centre on Cape Breton Island. Together with Sydney Mines, North Sydney, New Waterford and Glace Bay it forms the Industrial Cape Breton region. Sydney is located on east bank of the Sydney River where it discharges into South Arm of Sydney Harbour.

Reykjavík is the capital and largest city of Iceland. It has a latitude of 64°08' N, making it the world's northernmost capital of a sovereign state, and is a popular tourist destination. It is the heart of Icelands's cultural, economic and governmental activity. The city itself is spread out, with sprawling suburbs. The city centre, however, is a very small area characterized by eclectic and colourful houses, with good shopping, dining, and drinking.

Acadia National Park is a national park located in the U.S. state of Maine. It reserves much of Mount Desert Island, and associated smaller islands, off the Atlantic coast. Initially created as the Sieur de Monts National Monument in 1916, the park was renamed Lafayette National Park in 1919, and was given its current name of Acadia in 1929. The oldest American national park east of the Mississippi River, its landscape is marked by woodland, rocky beaches and glacier-scoured granite peaks such as Cadillac Mountain, the highest point on the United States’ East Coast. The bayside town of Bar Harbor, with restaurants and shops, is a popular gateway.  

Rotterdam is the second-largest city in the Netherlands and the largest port in Europe. Starting as a dam on the Rotte river, Rotterdam has grown into a major international commercial centre. Its strategic location at the Rhine-Meuse-Scheldt delta on the North Sea and at the heart of a massive rail, road, air and inland waterway distribution system extending throughout Europe means that Rotterdam can rightly be called the gateway to Europe. Located in the Province of South Holland, Rotterdam is in the west of the Netherlands and at the south of the Randstad. The population of the city proper was 603,425 in March 2010. The population of the greater Rotterdam area, called "Rotterdam-Rijnmond" or just "Rijnmond", is around 1.3 million people. Rotterdam is one of Europe's most vibrant and multicultural cities.