A monument to the three wars that led to German unification towers within a Berlin traffic circle.

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

Tiny memorials honor individual victims of the Holocaust.

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

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

A monument to the man who almost killed Hitler.

The most visited, and possibly most controversial, museum in Germany.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

This recessed garden protects thousands of mountain plants by creating its own microclimates.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

This bridge was constructed from the rubble of the infamous Bastille.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

This emotive sculpture was originally created for the 1878 World's Fair.

The celebrated eyesore created by starry-eyed sweethearts.

The approximate spot where the last Grand Master of the Knights Templar was put to death.

The video game-themed street art first popped up in the French city.

An unusual number plate signifies the building's saucy past.

This 18th-century sundial was designed to calculate the date of Easter each year.