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

Nestled in a peaceful valley, this Armenian monastery may have been saved from Mongols thanks to the eyes of God.

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

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

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

The luxurious circular mansion built for a Communist leader now lies abandoned.

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.

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

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

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

The most visited pilgrimage site in Armenia once held a saint in a pit for 13 years.

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

In one of the smallest countries in the world stands an original Salvador Dalí sculpture.

Extensive Orthodox icon collection in Andorra.

The largest Roman amphitheater in the Balkans once held over 20,000 people, but managed to lay hidden for hundreds of years.

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

A naturally beautiful, seemingly bottomless deep blue spring.

Tiny Swedish village with a distinct local phenomenon known as an "Elk Shower."

Early habitat dioramas and home of the elusive gaff, the skvader.