This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

A living memorial to the trees London lost during the Great Storm of 1987.

The bones of two medieval royal lions were discovered at the historic fortress.

One of the figures in this Celtic sculpture continues to puzzle archaeologists.

Its collection includes a broad array of social, geographic, graphic design, and political history.

The commemorative stone column conceals a secret laboratory.

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

There's an exclusive Beefeaters pub hidden in the Tower of London.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

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

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

The remains of an ancient Roman city are hidden underneath Bologna's beautiful public library.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

Follow the original medieval paths that wind through this intriguing section of the city.

These small sculptures pay homage to the lovable star of an iconic Argentine comic strip.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.