States

Across

2. The first presidential inauguration: George Washington took the oath of office in New York City on April 30, 1789.
6. The first umbrella factory in the U.S., 1928, Baltimore
7. “Smokey Bear,” a cub orphaned by fire in 1950, buried in Smokey Bear Historical State Park in 1976
9. The typewriter, invented in Milwaukee in 1867
11. The only active diamond mine in the U.S.
13. The most crayfish: 98% of the world's crayfish
17. The Girl Scouts, founded in Savannah by Juliette Gordon Low in 1912
19. The only royal palace in the U.S. (Iolani)
20. The first American cookbook, published in Hartford in 1796: American Cookery by Amelia Simmons
25. has more than 100 volcanoes and volcanic fields
27. Mark Twain and some of his characters, such as Tom Sawyer and Huckleberry Finn
28. The first electric traffic lights, invented and installed in Cleveland in 1914
29. The world's first drive-in movie theater, built in 1933 near Camden
30. The oldest rock in the world, 3.8 billion years old, found in Minnesota River valley
31. Rainbow Bridge, the largest natural stone bridge in the world, 290 feet high, 275 feet across
34. The world's largest silver nugget (1,840 pounds) found in 1894 near Aspen
35. Rare fish such as the Devils Hole pup, found only in Devils Hole, and other rare fish from prehistoric lakes; also the driest state
36. The tallest building in the U.S., Sears Tower, in Chicago
40. The world's smallest park, totaling 452 inches, created in Portland on St. Patrick's Day for leprechauns and snail races
42. The Cereal Bowl of America, Battle Creek, produces most cereal in the U.S.
44. Graceland, the estate and gravesite of Elvis Presley
45. NASA, in Houston, headquarters for all piloted U.S. space projects
46. The famous car race: the Indy 500
48. The world's largest natural, indoor warmwater pool, Evans' Plunge in Hot Springs
49. The longest main street in America, 33 miles, in Island Park
50. The first magazine in America: the American Magazine, published in Philadelphia for 3 months in 1741

Down

1. Artificial rain, first used near Concord in 1947 to fight a forest fire
3. The first parking meter, installed in Oklahoma City in 1935
4. U.S. spacecraft launchings from Cape Canaveral, formerly Cape Kennedy
5. Marbles; most of the country's glass marbles made around Parkersburg
8. Virginia Dare, the first English child born in America, on Roanoake Island in 1587
10. Lunar Rover, the vehicle used by astronauts on the moon; Boeing, in Seattle, makes aircraft and spacecraft
12. “General Sherman,” a 3,500-year-old tree, and a stand of bristlecone pines 4,000 years old are the world's oldest living things
14. The first log cabins in North America, built in 1683 by Swedish immigrants
15. Rhode Island Red chickens, first bred in 1854; the start of poultry as a major American industry
16. Helium discovered in 1905 at the University of Kansas
18. The largest underground cave in the world: 300 miles long, the Mammoth-Flint Cave system
21. The only roller skating museum in the world, in Lincoln
22. The first World Series, 1903: the Boston “Americans” (became the Red Sox in 1908) vs. the Pittsburg Pirates (Pittsburgh had no “h” between 1890–1911)
23. The most telescopes in the world, in Tucson
24. The largest production of maple syrup in the U.S.
26. Coca-Cola, first bottled in 1894 in Vicksburg
32. The “Register of the Desert,” a huge granite boulder covering 27 acres with 5,000 early pioneer names carved on it
33. Windshield Wipers Were Invented here
37. The geographic center of North America, in Pierce County, near Balta
38. The first tea farm in the U.S., created in 1890 near Summerville
39. The only full-length statue of George Washington, placed in capitol in 1796
41. Grasshopper Glacier, named for the grasshoppers that can still be seen frozen in ice
43. The shortest and steepest railroad in the U.S., Dubuque: 60° incline, 296 feet
47. The most easterly point in the U.S., West Quoddy Head1