Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

Amid the rubble of Aleppo's Old Quarter, part of a historic market has been restored and re-opened.

What is left of the pillar of Saint Simeon, the voluntary martyr who climbed the column to give his sermons, remaining perched there for thirty-seven years.

Mysterious lost empire of the Silk Road.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

This 11th-century Greek monastery has renowned mosaics and relics of a brutal past.

The heads and relics of 179 monks slaughtered by pirates are on display within this Ceonobic Monastery.

Legend says it was constructed with the destroyed pillar of an ancient Greek Temple.

This ancient structure appears Roman, but was constructed during the 16th century and was utilized until 1911.

This 18th-century former mosque held the first Hellenic Parliament.

A Byzantine church containing the holy remnants of three saints sits atop the site of an ancient temple.

The Greek War of Independence was declared at this medieval Byzantine sanctuary.

This historic structure has been used as a mosque, a barracks, a prison, a school, and a bakery.

A crushed gate and giant bronze head serve as a reminder of Greece's fight for freedom.

There are many Byzantine-era churches still standing in Athens, but this is the only one with a 2,500-year-old column rising through its roof.

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.

This architecturally eclectic early-20th century mosque was built as a place of worship for the Islamic followers of a Jewish messiah.

A Byzantine-era church hidden in a wooded area below the Acropolis.

Step inside an ancient beehive tomb built for a mysterious cult hero.

The oldest standing Byzantine church in Athens is tucked within a monastery in the middle of an upscale shopping district.

A sprawling collection of books and manuscripts about ancient Greece that would have put their famed libraries to shame.

This famous archeological mystery may be an ancient example of movable type.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.