Beloved children's TV characters freckle the German city's streets.

One of the largest busts in the world celebrates the German city's erstwhile namesake.

The world's first and only three-segment bascule bridge folds up into the shape of a capital "N" to let boat traffic through.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

This monument to those fallen in the World Wars is accompanied by a U-boat that Germany bought for a Deutsche Mark.

The oldest trees in Northern Germany.

The castle where Martin Luther secretly translated the New Testament from Greek to German while in hiding.

The architect of this fanciful complex called it an "oasis for humanity and nature in a sea of rational houses."

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

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.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

This historic stone bridge has an entire neighborhood clinging to its sides.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

Hamburgers are intensely proud of their tunnel beneath the river.

Remnants of an exploded schooner and wrecked submarines form a breakwater.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

This iconic high-rise residential block was one of the last to be built in the Brutalist style.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

The Tudor-style cottage in the middle of the square is not quite what it seems.

Black cat statues guard this temple-like Egyptian revival factory.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

A little slice of Japan and its aesthetics in London's Holland Park.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.