This ancient Egyptian obelisk still bears the wounds of World War I.

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.

An architectural oddity hides in plain sight on this iconic London bridge.

On October 17, 1814, a 15-ft. wave of beer ran rampant through the streets of London.

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

A museum wholly devoted to juvenescence.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Artists and musicians now rule over this former rail station.

No one is sure what to do with this WWII shipwreck that sits at the bottom of the Thames, still loaded with tons of explosives.

At Bank station, the tunneling shield that built the original Waterloo & City line tunnel is hiding in plain sight

A small wedge of East Berlin was once on the wrong side of the Berlin Wall

Atop this iconic central Brighton monument sits an inaccurate but innovative time keeping device

The Guinness Book acknowledged one of the biggest and oldest collections of computer games, featuring a strange 'pain machine' that blurs the boundaries between the digital and the real world

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Brisbane's manmade urban beach has enough water to fill five Olympic-sized swimming pools.

A relic from ancient Egypt that is purported to have a curse associated with it

An architectural masterpiece which came in time to solve a dramatic situation inside this magnificent cathedral

Legend has it that Bishop Oliver King dreamed of angels ascending to heaven and ordered the church's reconstruction in the late 1400s

The largest stretch of the Berlin Wall is right on top of the former SS headquarters

A war-scarred hippo calf nursed from the ruins into a symbol of Berlin resilience

Among Europe's oldest timber barns, built by the Knights Templar

An ancient burial mound located on the western outskirts of Colchester