Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

The mirrored section takes the shape of Hebrew characters when viewed from above.

The former home of a mad diplomat is said to still be marked in bloody, arcane scrawls.

Cat art as far as the eye can see.

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

A museum dedicated to the history of the diamond trade in the Netherlands.

A fearsome dragon clings to a corner of Munich's city hall.

This century-old cinema house has a marquee that has been hand painted by a single man for over 25 years.

Go surfing on this urban wave, "hacked" by local surfers.

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

The footprint of a frustrated devil in Munich's Cathedral.

Everything from miniature biblical scenes to life-sized statues are almond-based at this sweet and nutty gallery.

A collection of intricate sculptures so small they have to be seen through a microscope.

A highly-criticized monument in Budapest has become the site of a makeshift Holocaust memorial.

This memorial to a murdered empress took 20 years to design, then spent 30 years hidden away in storage.

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

Hungarian Jews were ghettoized during the Second World War, but little remains of the original wall that closed the Jewish people off from the rest of the city.

A much-loved sculpture depicting the hero of a 1956 anti-Soviet uprising.

A relic of World War I that now exist as a piece of public art.

A bronze woman in a stylized dress honors a courageous politician.

The metal leaves on this tree are engraved with the names of Holocaust victims.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

This sculpture honors the man who was known as the "Righteous Among the Nations."