Huge stairway leads to this massive gallery.

The ruins of a medieval monastery built on a perilous slope.

This little medieval church hidden in the center of Yerevan was lost and rediscovered—twice.

This ancient monastery complex was transformed from an island to a peninsula when the lake was partially drained.

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

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

She asked for a potato cellar and over the next 23 years he gave her a network of holy caves.

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

A scenic UNESCO site that doubles as a habitat for various forms of wildlife.

One of 200 religious buildings recognized as a “culture monument.” 

Bronzes and busts that once stood in the city's main squares are now relegated to a small hidden courtyard.

This beautifully preserved Ottoman house is steeped in history.

Climb into Albania's communist history while enjoying a spectacular ocean view.

A museum dedicated to secret surveillance.

This remote church calls a tiny island its sanctuary.

This abandoned prison was so notorious that its name has become a metaphor throughout Albania.

Gigantic water vessel, permanently grounded in Southern Albania.

According to a local legend, this old castle could only be built after a woman was immured in the walls.

What happens when you cross a mayor and a painter?

The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

A naturally beautiful, seemingly bottomless deep blue spring.

The curious underground history of keeping Paris clean.

Perfume museum and library.

During the summer months, giant teddy bears take over Paris near Les Gobelins metro station.