The former "holiday home" for monks at the Durham Cathedral.

A statue built to honor the elite soldiers who fought for Latvia during World War I.

With a design inspired by traditional Latvian textiles, this monument honors the Latvian people who suffered under Soviet occupation.

If you ever wanted to touch a medieval mercenary’s three testicles, look no further.

Angels and demons watch over newspapers in this deconsecrated church.

It's believed that the dead were once taken out of houses through these now walled-up doors.

At the entrance of this chapel is a fresco commemorating the dead from the plague outbreak of 1630.

A recently-abandoned international exhibition center.

Site of James Cook's historic observations of the 1769 transit of Venus.

Breathtaking and huge 430 year old maps of Italy.

This equestrian statue of Constantine the Great has been the subject of criticism for centuries.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

This beautiful train graveyard is one of the largest collections of steam locomotives in the Mediterranean and Europe.

This crumbling medieval basilica once attracted pilgrims by the thousands to collect a miraculous dust that formed above the saint's tomb.

The ancient latrines of the Greeks, in all their public glory.

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

An underground network of massive stone arches and their skylit vaults support ruins of portico structures above.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

A charming beach town in Turkey captures all the colors of the rainbow.

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.

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

A Turkish ghost town abandoned in a population exchange with Greece.