The lantern carried by the infamous Guy Fawkes when he was arrested while attempting to blow the houses of Parliament and the King of England to smithereens

Used as an example in one of the first dictionary entries for "museum" in 1706.

One of Oxford's greatest treasures likely belonged to England's legendary King Alfred the Great.

A hidden plaque is the only reminder of the lost palace where two storied English kings were born.

A plaque claims this artwork outside a children's hospital was used in the 1998 Quidditch World Cup.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

This sign marks the entrance to a tiny proto-state within the small country of Moldova.

Seventy-five miles of limestone caves host more than a million bottles of wine beneath a sleepy Moldovan town.

A statue dedicated to the founders of communism.

At less than four inches in height, this iconic fictional character is the smallest public statue in all of Moldova.

Romania's triumphal arch looks out over Bucharest.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

Huge concrete structures designed as an early warning system for Britain to detect enemy aircraft.

An avant-garde artist is survived by his seaside garden.

Grotto replete with mystical designs laid out in glued shell mosaics.

This forgotten chalk mine was reopened thanks to a massive effort from the local community.

Europe's "only museum dedicated to the decapod" is full of quirky and absurdist displays, including one featuring the "famous" Giant Crab of Margate.

Overlooking the seaside town of Margate stands a tribute to an artist's lover.

The remains of Crystal Palace Great Exhibition of 1851.

A relic of Victorian grandeur hides beneath a busy South London road.

Abstract dinosaur models in London.

A sculpture of a famous ape who was once a beloved household name in London.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.