Underground monastery and fortress.

Ancient rock-hewn town that witnessed key events of Georgian history.

Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

Unusual building appears to be haphazardly built from randomly piled bricks.

Luxury hotel turned into a refugee camp, then turned back into a luxury hotel.

A unique museum dedicated to culture and artistry of carpet weaving.

A cylinder monument with a spectacular vista commemorates a friendship that some say never existed.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

This subterranean shrine beneath a bike rental store celebrates the iconic Italian scooter.

Gods clash with machines in a power plant regenerated as a museum.

A hospital where antique dolls are given new life.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

The underground sanctuary of a mysterious ancient cult.

The yawning maw of this pagan visage is said to bite off the hands of liars.

St. Francesca Romana, patron saint of drivers, resides in the church she founded.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

2300-year-old Roman road connecting the empire.

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

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

An 18th century fountain and two columns are all that remains of Rome's forgotten river harbor.

One of the most important yet well-hidden museums dedicated to the history of medicine.

The first Russian Orthodox church in the Catholic city of Rome in almost a thousand years.