This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

This striking statue brings a scene from the African savannah into central London.

The bronze uniforms commemorate the vital role of women during World War II.

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

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

This tribute to the 16th-century composer is now an unusual shrine to Michael Jackson.

A vintage penny arcade hidden in the back of a fun fair-themed bar.

A private selection of curiosities, carefully curated by a young Brighton local.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

The medieval woodcut-style artwork chronicles life in medieval London.

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

This East End pub gained notoriety as the site where gangster Ronnie Kray publicly shot a rival.

The gigantic skull of a long-extinct species that once roamed the forests of England and Ireland.

This historic building displays the remains of a victim of the devastating 14th-century plague.

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

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

A little slice of Japan and its aesthetics in London's Holland Park.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

In 2013, historians discovered a hidden room devoted to the art of making royals' hot chocolate.

The pockmarks across the building's facade are remnants of the Blitz.

Since 1887, this old-school shop has stacked its shelves with extraordinary coffees and teas.