Across
- 5. — It has the longest coastline of any country in the world, stretching over 151,000 miles (243,000 km) across three oceans.
- 6. Arabia — It is the largest country in the world without a single permanent, naturally flowing river, relying heavily on underground aquifers and desalination plants.
- 7. — It is the only nation in the world that governs an entire continent, and it is surrounded by the Indian and Pacific oceans.
- 9. — This Indian Ocean nation is the flattest country on Earth, with an average natural ground level of just 4 feet 11 inches above sea level.
- 11. — Known as the "Land of Fire and Ice," it is a volcanic island where massive glaciers and active hot springs exist side by side.
- 14. — It is the world's largest archipelagic state, comprised of roughly 17,500 islands stretching along the equator between the Indian and Pacific oceans.
- 16. — It is primarily a desert country that relies entirely on the Nile River, the longest river in the world, to support its agriculture and population centers.
- 17. — Named directly after the Equator, which runs right through the country, it also rules the Galapagos Islands, located about 600 miles off its coast.
- 18. — It is the most sparsely populated sovereign country in the world, consisting mainly of vast semi-desert steppes and rugged mountains.
- 19. — It features an incredibly diverse geography, bounded by the highest mountain range in the world (the Himalayas) in the north and the Indian Ocean to the south.
Down
- 1. — An island nation made up of over 14,000 islands, it sits along the Pacific Ring of Fire and contains over 100 active volcanoes, including Mount Fuji.
- 2. — Located off the southeast coast of Africa, roughly 90% of its native wildlife and plant species cannot be found anywhere else on Earth.
- 3. — It occupies a strategic geographic crossroad, holding the narrow land bridge that connects North and South America and splits the Atlantic and Pacific oceans.
- 4. — It is home to the vast majority of the Amazon Rainforest, which produces roughly 6% of the world's oxygen and contains unmatched biodiversity.
- 5. — It is one of the narrowest countries in the world, stretching 2,670 miles long north-to-south but averaging just 110 miles wide east-to-west.
- 8. — It is the largest country in the world by land area, spanning 11 different time zones and covering more than one-eighth of Earth's inhabited land area.
- 10. — It features a highly indented coastline with thousands of islands scattered across the Aegean and Ionian seas, where no point in the country is more than 85 miles from the coast.
- 12. — A landlocked Himalayan country that contains eight of the world's ten tallest mountains, including the highest peak on Earth, Mount Everest.
- 13. — A landlocked European country famous for its towering Alps, it is also notable for its historic political neutrality and having four official languages.
- 15. Africa — It is the only nation on Earth with three different official capital cities: Pretoria (executive), Cape Town (legislative), and Bloemfontein (judicial).