Which European country is home to Vesuvius, Etna, and Stromboli, three of the continent's most active volcanoes?

The North European Plain stretches from France to Russia and is one of the most densely populated and agriculturally productive regions on Earth. Which of the following countries is NOT part of the North European Plain?

The Bosphorus Strait connects the Black Sea to the Sea of Marmara and runs through which major city?

Lake Ladoga, the largest lake in Europe, is located in which country?

The Apennine Mountains run the length of which country, like a backbone?

Greenland, the world's largest island, is geographically part of the Americas but politically belongs to which European country?

Switzerland is landlocked but sits at the heart of Europe. Which of the following countries does NOT border Switzerland?

The Iberian Peninsula is bounded by the Atlantic Ocean to the west and which body of water to the east?

Approximately what percentage of the Netherlands lies below sea level, protected by the country's famous system of dikes and water management?

The Balkan Peninsula in southeastern Europe is bounded to the west by the Adriatic Sea and to the east by which other sea?