An online database encyclopedia of hundreds of thousands of high-quality readings, videos and images.
Mesoweb: An Exploration of Mesoamerican Cultures
Schools 360: Chichen Itza, Mexico
Schools 360: Coba, Mexico
Schools 360: Grand Pyramid, Uxmal, Mexico
Mayan Religion and Mythology
Maya Rain God, Chaco
The Mayan Collapse
Lumen Learning
The Islamic Golden Age
Mosque Archway. Geometric patterns: an archway in the Sultan’s lodge in the Ottoman Green Mosque in Bursa, Turkey (1424), its girih strapwork forming 10-point stars and pentagons.