Additional Note: In HTTP/1.1, even though the web browser connects to the same IP address and port, to many web-servers, there is a slight difference between localhost and 127.0.0.1. Depending what is in the address bar, your browser will send a request header field with either Host: localhost or Host: 127.0.0.1 in it.
Washington DC Museum Free Days. Most Washington, DC museums are Free seven days a week. Crowds and parking are always an issue in the Capitol, so some planning and patience will make your visit more enjoyable. Also, see transportation and parking info below the list.
07/29/2011 12:44 pm ET | Updated Sep 28, 2011. The Museum of Modern Art in New York City announced that it will raise ticket prices for adults from $20 to $25, beginning September 1st, making it the most expensive museum in the city.