Connecticut Observation Towers

0: Castle Craig

1: Sleeping Giant Look Out Tower

2: Mt. Tom State Park Observation Tower

3: Haystack Mountain Observation Tower

4: Heublein Tower

5: Dennis Hill State Park Pavillion

6: Southford Falls State Park Fire Tower

7: Sessions Woods Lookout Tower

8: Orenaug Park Fire Tower

9: Soap Stone Mountain Tower

10: Mohwawk Mountain Tower

11: Cunningham Tower

12: Five Mile Point/New Haven Harbor Lighthouse

13: Faulkner's Island Lighthouse

Connecticut's second oldest Lighthouse.

14: New London Ledge Lighthouse

15: Sheffield Island Lighthouse

16: Stonington's Old Lighthouse Museum

17: Pequot Museum Observation Tower

18: Bushnell Park Soldiers and Sailors Memorial Arch

19: Groton/Fort Griswold Battle Monument

20: Tower on Fox Hill

Also known as the War Memorial Tower

21: Winchester Soldiers Memorial Monument

22: East Rock Park Soldiers & Sailors Monument

23: Gillette Castle

24: Meriden Traffic Control Tower

You can get upside this tower through a small hatch underneath.

25: SoNo Switch Tower

Museum

26: Clinton Frank Field Press Box Tower

27: Belden Hall Roof

28: Bear Mountain rock pile pyramid thing

29: Saltonstall Equalization Tower

30: Milford Memorial Bridge Tower

More info here:

31: Air Tower - Merritt Parkway Tunnel Ventilation Shaft

32: Private Residence - Lighthouse Replica

Also seems to be a boat replica as well.  I have no other information.  Noticed it driving by a few times.

33: Fayerweather Island (Black Rock Harbor) Lighthouse

More info here:

34: Harkness Memorial State Park Water Tower

35: Boothe Memorial Park Clock Tower

Recently visited, and the building is open.  There is a second level but I couldn't figure out how to get up there.  Not sure how far up in the tower you can go, probably a ladder or something.

36: Great Captain Island Lighthouse

37: New London Harbor (Pequot) Lighthouse

38: Avery Point Lighthouse

39: Mystic Seaport Lighthouse

40: Keney Memorial Clock Tower

41: Connecticut State Capitol Dome

42: Quinnipiac University Library Clocktower

43: Camp Columbia Water Tower

44: Travelers Tower

45: Yale University Marsh Hall

360 Prospect Street, New Haven, CT

46: ECSU Foster Clock Tower

47: Yale Harkness Tower

48: Sharon Memorial Clock Tower

49: Waterbury Clock Tower

50: Rentschler Field Air Traffic Control Tower

I used to see this when tailgating at UConn Football games.  Always intrigued me.

51: Tweed New Haven Regional Airport Control Tower

52: Stone Lighthouse

Collis P. Huntington State Park

53: Devil's Tower

54: Shell Island Tower

Shell Island is owned by the Greenwich Land Trust.  I've been told that they do host a couple of visits to the island every year, but the woman I spoke with was vague about tower access.  I'm on their email list for future updates.

55: Lynde Point (Saybrook Inner) Lighthouse

Owned by the Coast Guard and inaccessible.

56: Saybrook Breakwater (Saybrook Outer) Lighthouse

Owned by the Coast Guard and inaccessible.

57: Colt Armory Onion Dome

58: Samuel Colt Home (Armsmear)

59: Brainard Airport Control Tower

60: Sterling Opera House

61: Ratlum Mountain Fire Tower

62: Lake Compounce Ferris Wheel

63: Sterling Fire Tower

64: Canaan Mountain Fire Tower (generalized location)

Located in Great Mountain Forest, but exact location yet to be determined.

65: UConn Water Tanks

66: Oxford Lookout Tower

67: Glastonbury Fire Tower

68: National Guard Radar Tower

69: Otis Elevator Test Tower