There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

The oldest inn in England served brew to the crusaders.

The fake World Cup prize was secretly created after the first one was stolen in 1966.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

Be on the lookout for the symbolic insect all over the city.

This pedestrian walkway cuts through a cemetery and over several burial vaults.

The painting on an aptly named street honors the 1980s slasher movie.

Recently restored menagerie of Victorian-era beasts.

An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

A 300-kilogram egg sculpture that embodied a neighborhood revival.

An abandoned masterpiece of Soviet Brutalist architecture.

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

This micro-nation may be some sort of prank, but its constitution sure seems official.

A beautiful and moving memorial set on a little island in the middle of the river in Minsk.

The apartment building where JFK's assassin lived after defecting to the Soviet Union.

Glowing orb in Minsk houses 8,600,000 items.

This charming Latvian lane doubled as Baker Street on the Soviet Union’s version of Sherlock Holmes.

The statue of a legendary giant who carried Christ and shouldered the world's sins.

The oldest housing complex in Riga is a mini timeline of architectural trends.

A black cat protests the City Guild in Riga's Old Town.