Historical Museums

German Historical Museum
http://www.dhm.de/

The Clasic Town Weimar, Stiftung Weimarer Klassik
http://www.weimar-klassik.de/

Berlin Underground Association
http://www.berliner-unterwelten.de/

African Music Encyclopedia
http://africanmusic.org/

Encyclopedia Mythica Portal
http://www.pantheon.org/

History Channel Portal
http://www.historychannel.com/

The Internet Archive Online Project
http://www.archive.org/

Historic Documents, Texts and Videos

Eigen's Political and Historical Quotations
http://www.politicalquotes.org/

Footnote
Digitalized Original Documents
http://www.footnote.com/

Historical Text Archive
http://www.historicaltextarchive.com/

History and Politics Out Loud
Historical Audio Documents
http://www.hpol.org/

Librit Historical Texts of the Library of the University of Bologna
http://www.librit.unibo.it/

TED Famous Speeches
http://www.ted.com/

Cylinder Preversation and Digitization Project
Historical Audio Recording and Recordings
http://cylinders.library.ucsb.edu/

Internationale Stiftung Mozarteum
Mozart Information, free Music Sheets
http://www.mozarteum.at/

The Sheet Music Archive Classical Music
http://www.sheetmusicarchive.net/

Reel Radio Music Radio History
http://www.reelradio.com/

Smithsonian Global Sound Traditional Music
http://www.globalsound.si.edu/

The Open Video Project Video Library
http://www.open-video.org/

Museums, Documents, World Heritage

Virtual Heritage Network
http://www.virtualheritage.net/

World Heritage, UNESCO
http://whc.unesco.org/

European Archive Artefacts
http://www.europarchive.org/

New Mexico Cultural Treasures
http://www.nmculture.org/

American Museum of Natural History
http://www.amnh.org/

European Association of Archaeologists
http://www.e-a-a.org/

EuroParc Nature Reserves in Europe
http://www.europarc.org/