Structure built from the skulls of vanquished foes.

This memorial park stands on the site of one of the largest mass executions of the Second World War.

Unique Armenian monastery from the 13th century, reclaimed by nature but still welcoming visitors.

This small shrine is dedicated to the designer of the first Russian fighter jet and his brother, who became Chairman of the Presidium of the Supreme Soviet.

A museum glorifying the life of Stalin, located in the city of his birth.

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

In oil-rich Azerbaijan, people bathe in the black stuff.

What might be the largest completely Jewish town in the world outside of Israel now faces dwindling numbers and empty streets.

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

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

A shrine of fire worship built on top of a natural flame.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

A unique sculpture calls the outside of this steakhouse home.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

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

You'll find just about anything in this funky Tbilisi flea market.

Fortified homes of highland warriors that are still in use today.

The decaying remains of a once-luxurious Soviet spa town.

This neon lit Georgian cave claims to hold the boulder Prometheus was chained to.

A creepy statue of a hooded ghost hauls itself up from the water in a historic Lithuanian city.

An ancient necropolis of magnificent tombs.

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

The largest Neolithic ruins in the world hide a notably clean prehistoric metropolis.

A 1600-year-old church carved into the rock, with painted frescoes from 900.