This unique bridge physically lifts a piece of the road into the air to let boats pass by.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

A Cold War command center is hidden under an idyllic countryside.

In the shadow of a former battleground, the resting place for nearly 2,000 soldiers who died in World War I.

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

A museum celebrating the Canadian forces that liberated Belgium from the Nazis replete with battlefield miniatures and multiple Gardens.

A moving memorial to the fallen and missing from WWI trenches.

Descend into the tunnels to experience the life of a coal miner.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.

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

A rare example of World War I trenches from the British front.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

The bones of some 7,000 soldiers killed in the historic Battle of Solferino are stored here.

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

The last of Amsterdam's original sea level markers remaining in place.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

Slaughterhouse Five opens its dank doors to fans of Kurt Vonnegut.

These blingy, baubled skeletons lie in glass boxes inside a baroque Bavarian church.

The prototype for all Nazi concentration camps.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

A stairway to heaven, or to nowhere at all.