Dom St. Peter (or Trier Cathedral)
Yet another UNESCO World Heritage site (there are many in Trier!), the Cathedral is the oldest church in Germany! It took various building/demolitions/remodels to get to where it is today, so aging it is difficult. Parts of it date back to a church 4-times this size that Constantine had build in 326 AD, the same time he had Rome's St. Peter's Basilica. The rest of the church has been added on over the ages, with most of it being complete in the middle ages, The Holy Robe Chapel in the 1700's and the current alter in the 1970's.
As Europe's largest economy and most populous nation, Germany remains a key member of the continent's economic, political, and defense organizations. European power struggles immersed Germany in two devastating World Wars in the first half of the 20t... ... read more 
