Here are some great examples of course enhancements on the web.

• The Institute of Human Origins guides the user through the four million years of human evolution with their interactive documentary Becoming Human.
• Shakespeare: Subject to Change explains how the printing, editing and directing of Shakespeare's plays has created the version of Shakespeare we know today.
• The Columbia University's Digital Knowledge Ventures Multimeida Showcase highlights various multimedia projects and learning resources.
• Go through the process of making your own Bogolanfini (Mudcloth) with the Smithsonian Natural Museum of Natural History's African Voices exhibit Discovering Mudcloth.
• Edheads lets its user take the role of the surgeon throughout a total knee replacement surgery in Virtual Knee Surgery (kid and stomach friendly).
• The Missouri Historical Society traces the journey of Captains Lewis & Clark's expedition to the west coast of the United States with an online exhibition.
• Boston uses the interactive Beyond the Big Dig to outline its plans for the space freed after moving its elevated Central Artery highway underground.
• The Thomas Jefferson Foundation offers the Monticello Explorer for vistors to virtually tour the Thomas Jefferson's plantation estate.
• Yin Yu Tang is an exploration of the history and architecture of a Chinese house where a family lived for eight generations.
• Take a Virtual tour of Israel.
• National Geographic has a easy visual explanation of the New York's city infrastructure in New York Underground.
• New York University Center for Online Learning and Pedagogy provides an interactive visual compendium of Pedagogical Concepts and Theories.
• The Dynamic Earth by the Smithsonian National Museum of Natural History explores the dynamic forces which forms the minerals, rocks and shape of Earth and the Solar System.
• Timeline Creator can help you create an interactive timeline for your course.
• Try out the Visual Thesaurus or the CIA Factbook relation browser to see how ideas can be linked together.