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

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

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

The oldest ruins at this castle overlooking Georgia's Terek River Valley date back to the 10th century.

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

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

The largest piece of no man's land left on Earth.

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

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

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

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

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

A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.

A solid steel plane designed to catch fire over and over again.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

A naturally occurring tunnel in this Nordic mountain makes it look like it's been shot.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

An unpaid bill, a stolen stone, and a famous fashion designer rest peacefully alongside a heroine of Highlands history.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

Ancient cliffs resembling a kilt on Scotland’s second-largest island emit an entrancing sound.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

This Scottish bridge seems to compel dogs to leap to their death.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.