Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

A jumble of concrete on the corner of one of London’s terraced buildings is actually a work of art.

Soon after its unveiling, this giant inverted globe sparked controversy and was vandalized.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

The bronze uniforms commemorate the vital role of women during World War II.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

The medieval woodcut-style artwork chronicles life in medieval London.

This former KGB building is now a museum memorializing the people who suffered during the Soviet regime.

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

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

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

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

The reconstruction of this prominent building fulfilled a long-written command.

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

Flamboyant architecture from the turn of 20th century.

A spectacular Petrine Baroque summer palace commissioned for Catherine I by Peter the Great.

The oldest church in the Estonian capital is home to over 100 fantastical cemetery coats-of-arms.

Relics from an era long gone, sit idle outside this Estonian museum.

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.

Brussels' favorite peeing boy has a sister.

A little sculpture with a large wardrobe.