This bronze marker acknowledges an embarrassing royal blunder.

This millstone commemorates a gruesome tale that may have been the source of the city's name.

20-foot tall lamp mumbles Swedish to celebrate the holidays.

Swedish skyscraper with a 90° twist.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

Once a meeting point for great thinkers, and the midpoint of the country.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

This ordinary street was made infamous by a legendary visit from the devil.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

One of Scandinavia's largest mosaics pays tribute to Danish art and science luminaries.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

The true meaning behind this sculpture remains unknown.

The oldest private art gallery in all of Hungary.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

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.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

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

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

The holes in this wall provide a glimpse into Jewish life in Budapest, both past and present.

The bronze creation commemorates the life and work of a beloved actor.

Eat the ultimate iteration of Portugal's most beloved pastry.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.