This antique thermometer honors the creator of the first universal temperature scale.

These massive moving sand dunes have swallowed an entire village and are still on the run.

Communism's topsy-turvy effect on Poland has been brought to life in this wacky tourist trap.

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

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

This conservation area is also home to many of the region's desert tortoises.

One of the tallest lighthouses in the world also serves as a monument to the fallen of World War I.

This historic floating crane became an unlikely symbol of the port of Trieste.

This Luxembourg cave is covered in cryptic looking marks left by mining activity.

In an area where the remnants of WWI are discovered on a regular basis this preserved frontline trench may be the most amazing.

Visitors to this Belgium graveyard are greeted by the grieving stone parents of the young men lost to war.

Six turbines towering over a wide road for passersby.

According to this bar, God gave an “11th commandment” to Antwerp: Thou shalt drink beer.

This memorial museum chronicles the apocalyptic destruction of the First World War.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

The "dragon babies" of southeastern Europe.

A miniature train-ride through Slovenia's largest cave system.

The Renaissance-era courthouse is a relic from the fortified town's centuries of Venetian rule.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Experience a charming 1930s version of "infotainment."

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

Odd outsider art installations surround a Gold Rush-era ghost town.

A sharp bend in a dramatic river canyon cut through red rocks.