An ancient knight and a symbol of the city's freedom.

Gargoyle head that brings good luck.

A unique interactive experience of everyday life in communist Yugoslavia—a very different time in Croatian history.

This house was home to a succession of park keepers for more than 90 years, but in all that time, it never had a toilet.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

The medieval "Bearded Man" relief still serves as a clever flood warning marker.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

A preserved 18th century steel factory.

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.

The remains of an ancient bathhouse sit inside this aptly-named pub.

Three memorials honor the victims of the worst sports stadium disaster in Britain.

This commercial and retail center was crafted from walled military barracks.

It's known as the "Full Monty school" thanks to its role in the beloved British comedy film.

Once a training ground for Olympic athletes, this artificial ski slope has fallen into ruin after a fire in 2012.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

This antique thermometer honors the creator of the first universal temperature scale.

Seemingly straight out of a fairy tale, a steel chair sits on a tiny island only accessible by stepping stones.

In England, an 18th-century water-powered workshop still stands.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

This Sheffield sculpture composed of 17,000 Allen keys honors both urban falcons and a furniture icon.