I have visited quite a few places. The following is a list of places I have visited or stayed in in the past few years.

1. Alaska (Anchorage, Exit Glacier, Seward)
   
2. Arizona (Phoenix, Tucson)
   
3. California (Disneyland, Los Angeles, San Diego, San Francisco, Sea World)
   
4. Colorado (Denver airport)
   
5. Connecticut (Hartford)
   
6. Delaware (Wilmington)
   
7. Florida (Disney World, Kennedy Space Center, Orlando, Splendid China, Tampa, Universal Studios, Key West)
   
8. Georgia (Atlanta)
   
9. Idaho (drive by)
   
10. Illinois (Chicago area, Champaign)
    
11. Indiana (South Bend)
    
12. Iowa (Ames, Iowa City)
    
13. Kentucky (drive by)
    
14. Louisiana (New Orleans)
    
15. Hawaii (Honolulu, Maui)
    
16. Maine (York Beach, York Harbor)
17. Maryland (Baltimore)
    
18. Massachusetts (Boston area, Cambridge, North Dartmouth)
    
19. Michigan (Detroit area, Mackinac Island)
    
20. Minnesota (Duluth, Minneapolis)
    
21. Missouri (St. Louis)
    
22. Montana (Bozeman)
    
23. Nevada (Las Vegas)
    
24. New Hampshire (Hampton Beach)
25. New Jersey (Atlantic City, Northern Jersey area)
    
26. New York (Buffalo, New York City)
    
27. Ohio (Cedar Point, Cleveland, Columbus, Sea World)
    
28. Oregon (Columbia Gorge, Portland)
29. Pennsylvania (Erie, Philadelphia)
    
30. Rhode Island (Newport, Providence, Kingston)
    
31. Tennessee (Nashville, Chattanooga)
    
32. Texas (Houston, Galveston, Johnson Space Center, San Antonio)
    
33. Vermont (Adams Family Farm)
    
34. Virginia (Alexandria, Arlington, Fairfax, Williamsburg)
    
35. Washington (Mt. Rainier, Seattle, Tillicum Village)
    
36. Wisconsin (Superior, Wisconsin Dells)
    
37. Wyoming (Yellowstone National Park, Grand Teton National Park, Jackson Hole)
    
38. District of Columbia (Washington)
    
39. 13 states to go (I plan to visit all of them soon!)
    Alabama, Arkansas, Kansas, Mississippi, Nebraska, New Mexico, North Carolina, North Dakota, Oklahoma, South Carolina, South Dakota, Utah, West Virginia

Other places

1. Argentina (Tucuman, Cordoba, Bariloche, Buenos Aires)
   
2. Australia (Sydney, Brisbane, Gold Coast)
   
3. Austria (Vienna)
   
4. Bahamas (Nassau, Paradise Island)
5. Brazil (Sao Paulo, Port de Galinhas)
   
6. Canada (Guelph, London, Montreal, Thunder Bay, Toronto, Vancouver, Windsor)
   
7. Cambodia (Siem Reap, Angkor Wat, Angkor Thom, Bayon, Ta Prohm, Angkor Night Market)
   
8. China
9. Colombia (Bogota)
   
10. Cyprus (Limassol, Omodos Village, Pafos)
    
11. France (Paris, Toulouse)
    
12. Germany (Frankfurt, Munich)
    
13. Greece (Athens, Kos Island)
    
14. Hungary (Budapest)
    
15. India (Delhi, IIT, Humayun's Tomb, Red Fort, Mathura, GLA University, Sri Krishna Janmabhoomi, Goverdhan, Daan-Ghati, Ghaziabad, KIET)
    
16. Indonesia (Bali)
    
17. Ireland (Dublin, Maynooth)
    
18. Italy (Rome, Ancona, Florence, Venice, Milan)
19. Japan (Kobe, Kyoto, Nagoya, Tokyo, Wakoshi)
    
20. Korea (Seoul, Daegu, Jeju)
    
21. Malaysia (Kuala Lumpur, Kuching)
    
22. Mexico (Cancun, Playa del Carmen, Mexico City, Cocoyoc)
    
23. Netherlands (Amsterdam)
    
24. Poland (Zakopane, Krakow, Salt Mine, Auschwitz-Birkenau)
    
25. Qatar (Doha, Desert Safari)
26. San Marino
    
27. Singapore
    
28. South Africa (Capetown, Pretoria, Pilanesberg)
    
29. Spain (Seville, Barcelona, San Sebastian, Bilbao)
    
30. Switzerland (Lausanne, Montreaux)
    
31. Thailand (Bangkok, Phuket, Phi Phi)
32. Turkey (Istanbul, Sile, Cappadocia, Goreme)
33. UK (London)
    
34. USA
35. Vatican
    
36. Vietnam (Da Nang, Dragon Bridge, Ba Na Hills, Linh Ung Buddhist Temple, Old Town of Hoi An, Hoang thanh Hue)

1. Russia
2. Belgium
3. Egypt
4. New Zealand
5. Saudi Arabia, Venezuela, Norway, United Arab Emirates, Philippines, Finland, Chile, Portugual, Czech Republic, Peru, Israel, Sweden ...