This mountain city in Bulgaria is known as the Machu Picchu of Europe but is less crowded and easier to get to, while still full of ancient mysteries.

LOM, BULGARIA—According to a Bulgarian National Radio report, traces of a Roman military site dated to the first century A.D. were unearthed at the site of ancient Almus in northwestern Bulgaria.

Inside the Roman sewage system, however, the Cloaca Maxima, according to Greek City Times ... of Macedon in 356 and 339 BCE in southwestern Bulgaria, it replaced an older site, a Thracian tribal ...

Archaeological excavations in the Kaleto district of the Bulgarian town of Lom, which concluded recently, uncovered significant Roman military remains dating back to the 1st century AD ...

There's also plenty to do in this stunning coastal city, with one highlight being Primorski ... in 1972 and dates back to 4600-4200 BCE. The Roman Thermae, the largest ancient building discovered in ...