Preserved behind glass, the ruins of a medieval building used to store human remains.

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

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

A mysterious carving from 17th-century London seemingly depicts a young boy sitting on a bread basket.

A totem pole of heads to represent the different stages of life.

A friendly pub with a sordid past in cock fighting.

A collection of machines designed to break things for science.

The London statue that imitates passersby.

One of the four clock faces on this church is mismatched, in a nod to a historic slight.

The remains of the debtor’s prison that shaped Charles Dickens’ life and writing.

Near the site where the English Archbishop was born, you can find an emblem in the shape of a pilgrim's badge.

Rebuilt remains of a temple to Roman god Mithras.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

This site used to mark the heart of the EU—now it's crowned with a striking glass sculpture and a buried secret underneath.

An evolving artwork that began in 1996 and is scheduled to continue until... 2496!

Luxembourg's most popular statue since 1923 has been missing for... 26 years!

A discreet mark on the ground marking the site of the first chapel of the Glacis, dedicated to the patron saint of the city of Luxembourg and the country

This lantern pillory is probably the most remarkable and best preserved in Europe

This dolmen-like monument in the countryside is a symbol of the link between Belgium and Portugal (and indeed all other European countries)

An unassuming hillside that preserved humanity's oldest genetic code

One of the oldest still-used metallic fountains in Europe

This plaque commemorates the end of a symbolic battle waged by local residents against a project to demolish a large number of homes. And although it only lasted 2 and a half months, it still has major repercussions today

Despite its romantic name, this cross marks the site of a tragedy (and, incidentally, an ancient frontier)

This showcase displays contemporary works of art from a private collection, with the aim of making them accessible to everyone