These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

Started as a kitchen garden, now the second largest botanical garden in the world.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Bursting forth from a historic German neighborhood, these day-glo palaces are now a bright fixture in the town.

An ornate century-old elevator still connects the two halves of Bad Schandau.

The traditional Polish croissant, folded 81 times into the shape of a horseshoe, is a legally protected cultural treat.

These mechanical goats first battled it out in the year 1551, all because of an overcooked deer.

The 1852 novel "Uncle Tom's Cabin" lends its name to a subway station, a street, and several shops on the edge of Berlin.

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

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

One of the world's heaviest musical instruments towers within a popular urban park.

Medicinal spa created with the discharge from a geothermal energy plant.

An isolated, rusty phone booth commemorates Iceland's first international telegraph cable.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

The Habsburgs' royal collections of art and wonders.

Dine amidst exotic plants at this former royal greenhouse.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

The first modernist church in Europe.

A rooftop restaurant hides in plain sight atop Vienna's Palace of Justice.

An ornate private entrance to the Vienna subway built specifically for the emperor.

This grand manse has been transformed into a museum devoted to one of the founders of Fantastic Realism.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

Berliners converted a bombed-out, disused lot into a community-run urban farm with its own cafe and bar.

A man has revenged his true love's betrayal through tears and stone genitalia.