I have stayed at.....

just for my memory

excal..1st
M
Rio
Harrahs
Flamingo
Caesars
TI
Riv
main street
el co
hard rock

OK here's my hotel list in no special order:
1 - Luxor
2 - Tropicana
3 - MGM Grand
4 - Monte Carlo
5 - New York-New York
6 - Ballys
7 - Paris
8 - Caesars Palace
9 - Flamingo
10 - Harrah's
11 - Treasure Island
12 - Stardust
13 - New Frontier
14 - Circus-Circus
15 - Sahara
16 - Stratosphere
17 - Golden Nugget
18 - Four Queens
19 - Main Street Station
20 - Fitzgeralds
21 - Las Vegas Club
22 - Plaza
23 - Green Valley Ranch
24 - Orleans
25 - Palms
26 - Rio
27 - Gold Coast
28 - Suncoast
29 - Palace Station
30 - Key Largo
31 - Hard Rock
32 - Las Vegas Hilton
33 - Texas Station
34 - Showboat/Castways
35 - Sam's Town
36 - Fiesta Henderson
37 - Sunset Station
38 - Riviera
39 - Cannery
40 - Silverton
41 - California
42 - Planet Hollywood
43 - Red Rock
44 - Terrible's
45 - Bill's
46 - M Resort
47 - Tuscany
48 - Aliante Station

Hey salbertson, could it have been Maxim???

Gold Coast
Orleans
Rio
Palms
Stratosphere
Circus Circus
Riviera
Harrahs
Ceasars
Mirage
Flamingo
Ballys
Paris
Aladdin (the 2nd one not original)
Planet Hollywood
Aria
Excalibur
MSS
Vegas Club
4 Queens
El Cortez (all 4 room types)
SunCoast

In roughly geograpical order.......

Excalibur
Flamingo
Maxim (where the Westin stands now) - stayed at these three on 1st trip over a holiday weekend
Luxor
Tropicana
Orleans
MGM Grand
NYNY
Aladdin - 2nd Edition (now Planet Hollywood)
Paris
Bally's
Bellagio
Terrible's (great deal for the price, probably the smokiest place I've ever stayed)
Tuscany
Rio
Barbary Coast (nee Bill's, now gone)
IP
Harrah's - My best deal ever other than free. $99 for the weekend during March Madness with free shows
Mirage
TI
New Frontier
Sahara
Stardust
Stratosphere - First place I ever stayed at twice because the price was so good. First place to send offer
Las Vegas Hilton
Golden Nugget
Plaza (before the update)
Las Vegas Club
MSS
Sunset Station - only place off the beaten path but very nice

That's 30 different spots so far. My goal is 50

Thought I would have the longest list until I saw stungazed had paid a visit

The Maxim
Mgm
Riviera
Rio
Orleans
Boulder Station
Venetian
Palazzo
Paris
Harrahs
Ballys
Treasure Island
New Frontier Bob

Mandalay Bay
Excalibur
Tropicana
MGM
Holiday Inn Boardwalk
Monte Carlo
Mirage
Venetian
Palazzo
Ballys
Imperial Palace
Flamingo
Bill's Gambling Hall
Westward Ho
Stardust
Riviera
Planet Hollywood
El Cortez
Fitzgeralds/D
Golden Nugget
Plaza
Golden Gate
Binions
Frontier

Forgot to add--Golden Nugget. Guess I try to block out that place as I got my purse stolen there while waiting on a taxi when we were leaving.

Mandalay Bay
Luxor
NYNY
Monte Carlo
Aria
Cosmo
Bellagio
Caesars
Mirage
Treasure Island
Rio
Golden Nugget
Encore
Wynn
Venetian
Harrahs
Ballys
Aladdin
Planet Hollywood
Paris
MGM

Over 70 trips have stayed at all of these except Cosmo multiple times.Second trip to cosmo third week in March.
Last 5 trips have been Aria.

Boardwalk Holiday Inn
Flamingo 2X
Mirage 2X
Rio
MGM
Caesars
Venetian
Bellagio
Venetian (again in a few weeks)