Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's second-largest country by total area, with the world's longest coastline.

The U.S. is a country of 50 states covering a vast swath of North America, with Alaska in the northwest and Hawaii extending the nation’s presence into the Pacific Ocean. Major Atlantic Coast cities are New York, a global finance and culture center, and capital Washington, DC. Midwestern metropolis Chicago is known for influential architecture and on the west coast, Los Angeles' Hollywood is famed for filmmaking.

Estonia, a country in Northern Europe, borders the Baltic Sea and Gulf of Finland. Including more than 1,500 islands, its diverse terrain spans rocky beaches, old-growth forest and many lakes. Formerly part of the Soviet Union, it's dotted with castles, churches and hilltop fortresses.