HOUSTON, Texas (KTRK) -- You'll notice some changes to the way the sky looks and the air feels on Thursday, and by Friday you might even need to use your umbrella for the first time in October! These ...

Chichén Itzá, "the mouth of the well of the Itzás," was likely the most important city in the Yucatán from the 10th to the 12th centuries. Evidence indicates that the site was first settled as early ...