A monument to Poland's famous alleged UFO abduction case.

Crosses of all shapes, sizes and colors litter the mountain, the site of a huge yearly Orthodox pilgrimage.

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

The oldest wind turbine in Europe, constructed by a group of friends in 1932.

Legend has this precariously placed rock was placed by giants. Science has another explanation.

Collection of nearly 500 concrete figures sculpted by the late Veijo Rönkkönen.

The pyramid and dome deep inside the Dzūkija forest are believed to channel divine energy.

Once known throughout Europe, this tiny and unusually progressive 18th century micro-nation within Lithuania now lies in ruins.

This lonely Lithuanian chapel looks more beautiful and haunting in decline than it ever did in life.

This wooden recreation of a 9th century lake village looks as though it was built yesterday (which it relatively was).

A curious art park at the geographic center of Europe is home to 3,000 television sets and other wonders.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

An isolated 17th-century chapel on a remarkable site once dedicated to Celtic sun worship.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

The remains of 40,000 humans, meticulously stacked in a tiny churchyard shed.

The Church of the Annunciation was carved into the face of a cliff, just like the rest of the town of Haute-Isle.

This narrow path was cut right into a French mountainside to feed the country's early naval expansion.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

Hundreds of dwarf beeches create an unusual, haunting forest in the north of France.

Since ancient times these picturesque springs have been providing bathers with healing waters.

If they push on just the right spot, even the weakest person can move this titanic boulder.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

This French castle is said to have once held the Holy Grail but is now a gorgeous mountaintop ruin.

A self-built mosaic house and sculpture park.