The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

A neolithic dolmen that was rebuilt after collapsing during the 19th century.

A open air theatre built on a cliff by an eccentric British woman.

This building's name and a plaque are all that's left of what was probably the most important nightclub of the Madchester music scene.

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

Mysterious hillside with a continuously burning natural fire.

Swirling layers of white and red rock earned these mountains their festive nickname.

Resonant stone, that has been played since prehistoric times.

Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.

A massive collection of petroglyphs dating back some 40,000 years.

Complete town of 5,000 living out at sea on the world's first offshore oil platform.

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

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

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

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

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

This architecturally eclectic fortress witnessed centuries of bloody turmoil, including the massacre of its ruling clan.

This extraordinary, multi-pillared monument depicts the fascinating history of Georgia.

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

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

At this rare mosque in Tbilisi, Sunni and Shia Muslims pray side by side.

A lively circle of dancers in the Georgian capital commemorates an ancient rite of spring.

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

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