Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Elevated freight railway turned wildly successful urban park.

A curious collection dedicated to human and animal anatomy and pathology.

A moving memorial to the fallen and missing from WWI trenches.

This memorial museum chronicles the apocalyptic destruction of the First World War.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A fortified palace in the shape of a ship on the Thiou river.

Trek up this glacier before it disappears.

Every year, a sparkling cave is sculpted in the icy heart of a glacier.

Unable to build support structures on glaciers, the engineers for this tramway were forced to design a unique system.

One of the great treasures of Neolithic art lies within this carefully constructed pile of rocks.

The largest stone moved during the Stone Age once stood proudly in France.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

Abandoned ship reimagined as a street art canvas.

The decaying ruins of Wales' first asylum for the mentally ill.

Once thought to be a decorated air shaft, it might just be a castle-shaped folly.

During World War II, locals rallied together to buy this plane to support the war effort.

One of the techniques used to construct this 1797 mill was later incorporated into modern skyscrapers.

A striking piece of street art in Southport depicting a much-loved racehorse.

A medieval emblem located in the middle of a racetrack.

A historic seafront building established as a refuge for sailors to promote moral living and literacy.

Standing at the site of his former school, this sculpture celebrates Darwin's groundbreaking contributions to science and his deep connection to his birthplace.

This abandoned Brutalist tower looming over the M6 Motorway once featured a restaurant.