The Caspian Sea is also classed as the world's largest lake.
52
It's still possible to see the division between East and West Germany due to different light bulbs.
5
Every year, Alaska has about 5,000 earthquakes.
31
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
Australia's Great Barrier Reef is 1,250 miles long!
45
Check your map! Virginia extends farther west than West Virginia.
67