An unusual double-stelae obelisk with ancient and mysterious origins.

Armenia's premier center of astrophysical research was established during the Soviet era.

Called the "Armenian Stonehenge," this ring of menhirs pierced with holes may be a prehistoric astronomical observatory.

Giant stone letters dedicated to the founder of Armenia's alphabet.

This series of Armenian caves held the oldest brain, shoe, and winery in the world.

The world's longest nonstop reversible cable car soars through spectacular scenery to the medieval Tatev Monastery.

Right up until the 20th century this network of man-made caves was the biggest village in Eastern Armenia.

A geological oddity topped with a 2,000-year-old pagan temple.

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

After visiting hours, this picturesque waterfall is essentially turned "off" to be used for hydroelectric power.

Centuries before the modern seismograph, Armenian monks measured quakes with this tilting pillar.

Georgia's answer to Easter Island immortalizes the nation's great poets, artists, and leaders in stone glory.

The cave holds a spectacular array of stalactites and stalagmites, including one shaped like a giant human heart.

A literally moving statue of stacked metal giants just continually trying (and failing) to find love.

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

Veryovkina Cave is more than 1.3 miles deep—the deepest known in the world.

Hidden up a dusty track off the Georgian Military Road is this fascinating waterfall with mountainous views.

When the Soviets destroyed the historic Armenian monastery they somehow left its bell tower intact.

With over 10,000 lights, this engineering marvel lights up the city after dark.

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

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

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

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.