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

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

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

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

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.

Sofia's legislative center is continuously reinventing itself.

A vast Communist-era exhibition space in the Bulgarian capital.

"Holy Wisdom" overlooks the city that became its namesake.

A striking symbol of the Bulgarian capital.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

The most playful of the life-sized statues that make up Singapore's "People of the River."

A historical convent known for taking in bad luck babies left on its doorstep is now an upscale shopping center.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

Singapore's landscaping project is home to 18 incredible Supertrees.

One of Oxford's greatest treasures likely belonged to England's legendary King Alfred the Great.

The fantastic charm of England's oldest botanical garden has made it a place of writerly inspiration for centuries.

The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

Something's watching you.

The growing stones of Romania.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.