- Museum of Latin American Art
- Mississippi Museum of Art
- Museum of Friends
- McNay Art Museum
- Montgomery Museum of Fine Arts
- Mattatuck Museum
- Museum of Neon Art
- Monterey Museum of Art
- Mark Humes Gallery
- Museum of Art
- Museum of Ordinary People
- Mel Fisher Museum
- Manchester Jewish Museum
- Museum of Glass
- March Field Air Museum
- Marineland of Florida
- Mount Rushmore National Memorial
- Mt. Rainier National Park
- Montgomery Botanical Center
- Moorten Botanical Garden
- Maui Nui Botanical Gardens
- Monk Botanical Gardens
- Montrose Botanic Gardens
- Memphis Botanic Garden
- Middleton Place
- Moore Farms Botanical Garden
- Mobile Botanical Gardens
- Myriad Botanical Gardens
- May Arboretum Society
- Mt. Cuba Center
- Munsinger Clemens
- McLaughlin Garden
- Mojave Desert
- MechaCon
- Midwest Monster Fest
- MarsCon
- MegaCon Orlando
- Monsterama Con
- Mouse-Con
- Metro Detroit Gamers
- Marmalade Dog
- MACS Worldwide
- Michigan Shoe Market
- Mid-South Farm and Gin Show
- Milwaukee International Autoshow
- Martial Arts SuperShow
- MobileRep
- Military Trained
- MyjetPillow
- Montgomery Symphony Orchestra
- Mobile Symphony Orchestra
- Modesto Symphony Orchestra
- Maryland Symphony Orchestra
- Minnesota Philharmonic Orchestra
- Michigan Philharmonic
- Mississippi Symphony Orchestra
- Minot Symphony Orchestra
- Mercury Chamber Orchestra
- Memphis Symphony Orchestra
- Miami Symphony Orchestra
- Midland-Odessa Symphony & Chorale
- Missoula Symphony Orchestra
- Marin Symphony
- Monroe Symphony Orchestra
- Michigan Opera Theatre
- Main Street Arts Festival
- Mobile International Festival
- Mill Valley Film Festival
- Miami short Film Festival
- Mile High Horror Film Festival
- Milwaukee Film Festival
- Martha's Vineyard International Film Festival
- Minneapolis St. Paul International Film Festival
- Magnolia Independent Film Festival
- Minnesota Renaissance Festival
- My Little Carnival
- Murphysboro Apple Festival
- Mike Fretz Event Center
- Minneapolis Event Centers
- Markus Schulz