Wyoming Dinosaur Center - Thermopolis, WY
Besides being a world class dinosaur museum which includes interpretive displays, dioramas and life-size dinosaur mounts, but it has over 60 identified dinosaur digsites in a 500-acre area. Program and activites include Digsite tours,  Dig-for-a-day programs, and dinosaur digs for kids. 

Carnegie Museum of Natural History, Pittsburgh, PA
On display are dinosaurs and other plants and animals from the Triassic, Jurassic and portions of the Cretaceous periods. Visitors will see familiar faces from Dinosaur Hall such as Diplodocus, Apatosaurus, Allosaurus, and Stegosaurus. They are joined by newcomers such as the baby Apatosaurus, Ceratosaurus, and the swimming reptiles of the Cretaceous Seaway, among others. In June 2008, the final phase of the exhibit will open and feature the museum’s original T. rex posed mid–fight with a cast of an entirely new T. rex.
  

Rocky Mountain Dinosaur Resource Center  - Woodland Park, CO
It hosts some of the most spectacular dinosaurs, marine reptiles, flying reptiles and fish of North America’s Late Cretaceous world. Each skeleton tells a tale of how they may have appeared in life, the environments they lived in, stories of the discovery and excavation of each specimen. Their dinosaur specimens include: the world’s smallest T. rex on display, the world’s only pachycephalosaurus, the world’s largest mosasaur, and the world’s first 3-D giant xiphactinus!
   

American Museum of Natural History -  New York, NY
A recent $48 million renovation incorporated the use of natural light and created six new halls to house the museum's impressive fossil collection, which tells the story of vertebrate evolution. Tyrannosaurus, Apatosaurus, and Barosaurus are just a few of the dinosaur stars at the museum. There's also the world's only intact Velociraptor skull, a mummified Hadrosaurus and an Oviraptor egg with the fetus clearly visible. Of the more than 600 major specimens, almost 85% are genuine dinosaur skeletons, as opposed to plaster models favored by many museums.
    

Dinosaur National Monument - Utah and Colorado.
The visitor center has a rock wall containing 1500 fossil bones, a paleontology laboratory, exhibits, and a bookstore. The monument which is run by the National Park Service contain a large deposit of fossil dinosaur bones that lived millions of years ago. Many people think that  dinosaurs were big horrible lizards because some of the first dinosaur fossils ever found were huge bones and teeth, very lizard-like except for their size, and so the idea of monstrous lizards was born. Today, many ideas about dinosaurs are changing, and the fossils at Dinosaur National Monument continue to help us learn more about these fascinating animals.  
   

Dinosaur Journey  - Fruita, Colorado
This dinosaur playground is in the heart of dinosaur country. Dinosaur Journey is a  hands-on, interactive museum and is the perfect place to learn about your favorite dinosaurs! They have robotic displays of Dilophosaurus, Utahraptor, T-Rex and many other displays including real bones plus cast skeletons of Camarasaurus, Camptosaurus, Stegosaurus, Allosaurus and the Mymoorapelta. 
 

Peabody Museum of Natural History  -New Haven, CN.   
This museum was founded in 1866 with a gift from philanthropist George Peabody, at the urging of his nephew, Yale’s O.C. Marsh, the first professor of paleontology in North America and the Museum’s first director. Marsh built many of the Peabody’s great collections, and today you can see some of his most famous finds and the dinosaurs he named, including Triceratops, Stegosaurus and Brontosaurus. Tthe Yale Peabody Museum is also home to Rudolph F. Zallinger’s murals The Age of Mammals. and he Age of Reptiles.  
   

Museum of the Rockies  - Bozeman, MT
This modern museum is on the campus of Montana State  in Western Montana. Dr. John R. "Jack" Horner, dinosaur advisor to the Jurassic Park films makes his scientific home at the museum, and its collections benefits from his amazing finds. You may not find many skeletons display, you will see dinosaur recreations and lots of fascinating insights on dinosaur behavior.
  

The Field Museum of Natural History  - Chicago, IL
This historic museum has attracted much attention with its permanent exhibits that include Brachiosaurus and many other skeletons, and a walk-through time machine experience that takes visitors on journey through prehistoric time.
  

National Museum of Natural History - Washington, DC
This Smithsonian dinosaur museum is  full of real fossils, many historic, and has had a recent facelift as well, with additions that include a preparation station where visitors can see fossil workers working with actual bones.
 

Academy of Natural Sciences - Philadelphia, PA 
This museum is the nation's oldest science institution and  has one of the newest dinosaur halls. Exhibition include an enormous Giganotosaurus skeleton, the largest predator yet discovered. In addition to the many dinosaur skeletons on display, visitors will venture into animated environments and kids can play in the best dig pit.

California
Los Angeles County Museum of Natural History, Los Angeles, CA  - Website
UC Museum of Paleontology, Berkeley, CA - Website

Colorado
Colorado University Museum of Natural History, Boulder, CO  - Website
Denver Museum of Natural History, Denver, CO - Website
Dinosaur Ridge, Morrison, CO - Website
Dinosaur National Monument in Colorado and Utah - Website
Dinosaur Valley Museum: Museum of Western Colorado, Grand Junction, Colorado - Website
The Rocky Mountain Dinosaur Resource Center, Woodland Park, Colorado - Website

Connecticut
Dinosaur State Park,  Rocky Hill, CT- Website
Peabody Museum New Haven, CT - Website

Georgia
Fernbank Museum of Natural History,  Atlanta, GA -  Website

Hawaii
Honolulu Community College Dinosaur Exhibit - Website

Illinois
Burpee Museum of Natural History,  Rockford IL. - Website
The Field Museum, Chicago, IL. - Website

Kansas
Sternberg Museum of Natural History, Hays, KS - Website

Massachusetts
Harvard Museum of Comparative Zoology, Cambridge, MA - Website
Pratt Museum of Natural History, Amherst, MA - Website

Michigan
University of Michigan Museum of Paleontology, Ann Arbor, MI - Website

Minnesota
The Science Museum of Minnesota, St. Paul, MN - Website

Montana
The Museum of the Rockies, Bozeman, Montana - Website

Nebraska
University of Nebraska State Museum, Lincoln, Nebraska - Website

New Jersey
Hadrosaurus foulkii Leidy National Historic Site Haddonfield, New Jersey - Website

New Mexico
Mesalands Dinosaur Museum, Tucumcari, New Mexico - Website
New Mexico Museum of Natural History and Science, Albuquerque, New Mexico - Website

New York
American Museum of Natural History - Website
Buffalo Museum of Science, Buffalo, NY - Website

North Carolina
North Carolina Museum of Natural Sciences, Raleigh, NC -  Website

North Dakota
Dakota Dinosaur Museum, Dickinson, North Dakota -  Website

Ohio
Cincinnati Museum, Cincinnati, OH - Website
Cleveland Museum of Natural History, Cleveland, OH. - Website

Oklahoma
Oklahoma Museum of Natural History, Norman, OK - Website

Pennsylvania
Academy of Natural Sciences at Philadelphia, Philadelphia, PA - Website
Carnegie Museum, Pittsburgh, PA. - Website

Texas
Dinosaur Valley State Park, Glen Rose, TX - Website
Fort Worth Museum of Science, Fort Worth, TX - Website
Houston Museum of Natural Science, Houston, TX - Website
Texas Memorial Museum, University of Texas, Austin, TX - Website

Utah
Mill Canyon/Copper Ridge Dinosaur Tracks,  Moab, UT - Website
College of Eastern Utah Prehistoric Museum in Price, UT - Website
The Dinosaur Museum, Blanding, Utah - Website
Dinosaur National Monument in Colorado and Jensen, Utah - Website
Utah Field House of Natural History State Park, Vernal, UT - Website
Utah Museum of Natural History, Salt Lake, City, UT - Website

Washington
Burke Museum, Seattle, WA - Website

Washington, D.C.
National Museum of Natural History, Smithsonian Institution's Dinosaurs, Washington, D.C. - Website

Wisconsin
Milwaukee Public Museum, Milwaukee, WI - Website

Wyoming
The Geological Museum, Laramie, WY - Website
Tate Geological Museum, Casper, Wyoming - Website
Wyoming Dinosaur Center Thermopolis, Wyoming - Website