From mysterious monuments to breathtaking cave paintings, delve into our past at these iconic sites Unearth the mysteries ... freestanding structures in the world, dating back to around 3600 ...

A prime example of a Mayan sanctuary of the classical period, Palenque was at its height between AD 500 and 700, when its influence extended throughout the basin of the Usumacinta River. The elegance ...

Today, there are more than 1,000 sites ... World Heritage sites, and 22 of them are located within the United States. These wonders range from iconic national parks to lesser-known historic ...