The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

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

Extremely famous in his native country, this Cracovian painter is all but unknown beyond Polish borders.

Remnants from a time before electricity.

Inside this Krakow church, an explosion of psychedelic color.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A haunting contrast of trains that both saved and took the lives of Jewish children in Nazi Germany.

A towering monument to war, located on a beautifully peaceful hill.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

This Art Deco service station has been providing tune-ups and turning heads for close to a century.

Step back in time at this historic variety store, packed with items from a bygone era.

The largest earthwork effigy in the world.

Northern Kentucky’s very own Notre Dame showcases intricate stained glass and the bones of saints.

One of the few beardless depictions of Lincoln, George Grey Barnard's 1917 statue was denounced by many—including Lincoln's own son.

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

Paranormal activity on the great lakes.

This unusual three-way wooden foot bridge spans two rivers at once.

This former hub for crafty philosophers was founded by a writer who died aboard the infamous RMS Lusitania.

Church in Manhattan holds the bloody sock of Padre Pio, among with many other unusual relics.

The tallest waterfall in West Virginia.

While filling up your gas tank in eastern Kentucky, you just might stumble into this collection of country music memorabilia.