No need to strap in for a "ride" on this walkable roller coaster.

Numerous impressive carvings are embedded in the trees lining this street in Marrakech.

This lake-bound geographical marker sits at the point where three European countries intersect.

The industrial monstrosity known as Bagger 258 is a colossal mining machine built in the DDR - but now left for dead in a German field.

These crumbling Latvian forts make for some haunting seaside ruins.

Spend the night in 1920s Latvia in this historic recreation and movie set.

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

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

A small monument in Lithuania marks the geographic center of Europe—or at least one of the claimants.

Underwater roads undetectable from the surface used for escape routes from foreign invaders.

This micro-nation may be some sort of prank, but its constitution sure seems official.

What almost started out as a spite house became an eccentric's found object masterpiece.

Ever-growing collection of devils in art.

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

Countless stories attempt to explain Poland's mysterious J-shaped trees.

A peat bog in southern Sweden provides a cozy and photogenic home for junked Volvos, Saabs, and the occasional American muscle car.

From Coke II to Google Glass, this exhibit features some of the most spectacular commercial flops.

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

The world's oldest individual clonal tree looks like a wimp despite standing tall for 9,550 years.

Once standing on solid ground, this slender beacon is a victim of the very shoreline it was charged with announcing.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

A memorial to the murdered Jews of Kaunas.

A narrow strip of land is home to the tallest migrating dunes in Europe.

Lithuania's outdoor sculpture trail of wooden folk art.