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

Rock-hewn monastery complex with hundreds of cave structures tucked away into the mountainside.

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

The charmingly disheveled clock tower of Tbilisi's puppet theater.

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

Look up as you explore Baku’s old town to find a monument to the local feline population.

The building's fluid, wavelike walls are a true feat of architectural ingenuity.

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

Foreign invaders almost left this lovely Caucasus palace alone—almost.

Mysterious hillside with a continuously burning natural fire.

Huge stairway leads to this massive gallery.

Nestled in a peaceful valley, this Armenian monastery may have been saved from Mongols thanks to the eyes of God.

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

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

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

A perfectly preserved hill village where the buildings are painted like white lace.

Giant marble phalluses on the sacred island of antiquity.

The sad remains of a monument to martial arts legend and movie star Bruce Lee—in the middle of Balkans.

This picturesque monastery at the base of a cliff is a peaceful oasis open to all visitors.

Bridge that died in war and was resurected.