I read on this web site, from time-to-time, contributors writing about visitor attendance annual at local attractions. Let's cut-to-the-chase and deal with concrete information.

All Figures rounded and MOL.

Courtesy, ""The Journal Record," 080714:

"Attendance ranked by estimated annual attendance (thousands)."

1.) Remington Park: 2MM
2.) Oklahoma Zoological Park and Botanical Gardens: 1MM
3.) Oklahoma City Thunder: 746K
4.) Oklahoma City National Memorial and Museum: 525K
5.) Oklahoma City Farmer's Market: 500K
5.) Oklahoma City Redhawks: 500K
6.) Frontier City: 430K
7.) Science Museum of Oklahoma: 371K
8.) White Water Bay: 310K
9.) Sam Noble Museum of Natural History: 172K
10.) Oklahoma City Barons: 152K
11.) Oklahoma History Center: 152K
12.) ASA National Softball Hall of Fame & Museum: 145K
13.) Oklahoma City Museum of Art: 125K
14.) Heartland Flyler: 84K
15.) Museum of Osteology: 65K
16.) OKC Energy: 52K
17.) Fred Jones Museum of Art, The University of Oklahoma: 40K
18.) Oklahoma River Cruises: 20K