A television having an Internet browsing function including: a network interface configured to access a webpage on the Internet, a display, a memory, a user interface configured to receive command signals from a remote controller; and a controller. The controller is configured to access a webpages through a web-browser, and store corresponding URLs and accessed screens of the webpages. While displaying a broadcast program in the first area, the controller displays a thumbnail list in a second area, the thumbnail list including thumbnails generated from the accessed screens, wherein the second area is overlaps at least a portion of the first area. The controller displays, in response to a command signal for selecting a thumbnail, the corresponding webpage on an entire screen of the display through the web-browser, based on the corresponding URL stored in the memory.