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

A plaque marks the underground site of one of London's "lost rivers."

This former medical factory gives home to cutting edge arts in the shadow of a gas works.

Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

These ornate arches show how the course of the River Thames has changed.

Visitors to this Belgium graveyard are greeted by the grieving stone parents of the young men lost to war.

Dummies recreate radiological discoveries from history.

King of the Saxons on top, Roman goddess of wisdom on the bottom.

A plaque pays tribute to the artist's longtime London home.

London's amazing modernist public square that never was.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

The remains of Crystal Palace Great Exhibition of 1851.

A cluttered and astounding collection of antiquities and curiosities.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

Bronzes and busts that once stood in the city's main squares are now relegated to a small hidden courtyard.

This abandoned prison was so notorious that its name has become a metaphor throughout Albania.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

One of the oldest churches in Romania is believed to have been built on the site of a pagan temple.

This automated sculpture of two men peeing will spell out text messages with their micturition.

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

Place with alleged mystical powers in Old Orthodox Church in Sarajevo.