A gigantic teapot sitting on top of a parking garage in the center of Utrecht.

Visitors can still take a train to this former train station turned museum.

A memorial to those who donated their bodies to science.

One of Vienna’s oldest (and perhaps most haunted) alleys, allegedly with a bloody past that gave it its name.

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

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

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

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

This ferry carries passengers across the Rhine propelled by no engine or paddles but by the river's current.

A futuristic rocket marks the spot where three borders meet.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

It's good luck to be mocked by this monkey.

The elegant manor house where Kaiser Wilhelm II lived in exile after World War I.

This recreated Roman outpost stands above its buried predecessor.

This windmill has been grinding pigments for traditional paints for more than 200 years.

The place where Czar Peter I of Russia resided in 1697 during his Grand Embassy.

A historic observatory now an astronomy museum beautifully situated at the moat of the Middle Age city centre.

This Netherlands museum holds a gloriously mechanical collection of ornate musical automata.

'The Letters of Utrecht' lays out a ribbon of poetry one letter at a time, with no final verse in sight.

A historic and beautiful Art Nouveau chamber in a historic railway station.

This artificial cave looks like something out of a fairytale.

Walk through Czech history in Prague's largest graveyard.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.