12 of the World’s Most Fascinating Ruins

Machu Picchu (Peru)

The most famous of all the Inca ruins, Machu Picchu appears to be suspended between two mountains and is often enshrouded in mist. It can’t be seen from the Urubamba Valley below and is an enchanting place, especially considering that the Incas didn’t even have the use of the wheel when they built it. Read more