A geological oddity topped with a 2,000-year-old pagan temple.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

The most visited pilgrimage site in Armenia once held a saint in a pit for 13 years.

A marvel of Byzantine engineering under the streets of Istanbul.

Roman ruins top white travertine terraces formed by ancient hot springs.

A little-known caravanserai hidden among farmhouses in the Turkish countryside.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

Mausoleum and Holy Seat of Antiochus I of Commagene.

A Turkish monastery tucked into a cliff wall.

The observation point offers spectacular views of the ruins of an ancient Armenian capital.

An abused and forgotten metropolis, abandoned for centuries.

Remnants of successive wars and Muslim colonialism in the 11th century.

This ancient abandoned church in a remote part of Turkey is in danger of falling over.

Standing proud atop a Turkish bluff, this Ottoman palace has retained its grandeur despite being abandoned for centuries.

An ancient church on a tiny island covered in stone bible stories has controversially been turned into a museum.

Hundreds of medieval Islamic gravestones decorate the mountainous landscape in the largest cemetery in Turkey.

Balanced on four stone pillars, this historic tower was the site of a tragic political assassination.

A sacred lake with thousands of sacred carp and a biblical history.

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.

One of the oldest and largest castles in the world.

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

A 1,500-year-old ghost settlement is slowly fading away.