Welcome to Chichén Itzá. From up here, El Castillo rises out of the jungle like it has been waiting a thousand years for this flyover. Look at those steps. Sharp lines, perfect symmetry, light slicing ...

Twice a year, tens of thousands of visitors crowd the base of El Castillo at Chichen Itza to watch triangles of sunlight ...

Four archaeoastronomers from leading Mexican research institutions have demonstrated that the famous "descent of Kukulcán" ...