Azerbaijani ghost town, decaying after a war left it an armed forces buffer zone.

The village's cobblestone streets are lined with shops displaying exquisite copper craftsmanship.

Foreign invaders almost left this lovely Caucasus palace alone—almost.

In oil-rich Azerbaijan, people bathe in the black stuff.

A scenic canyon with thick forests and historic ruins.

Local legend says that whoever burns down this 2,000-year-old tree will only have seven days to live.

A quirky house created entirely out of glass bottles combines a collector's spirit with an artist's flair.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

A Jenga-style cylindrical tower of books that appears to go on forever.

The hidden lair of an alchemist rediscovered in a 2002 flood.

A church of bones, decorated with 40,000 human skeletons.

The rocks in this arid basin leave trails of movement behind them.

This sun-scorched lakebed contains samples of half the natural elements known to humankind.

Modern design and unusual architecture make this mountaintop temple no ordinary Buddhist retreat.