Monument to a suicide protesting the Soviet invasion.

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

A series of playful yellow penguins share a serious message about the environment.

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

The oldest garden in Prague, once part of an medieval orchard.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

This spooky statue sits outside a famous Prague theater.

This stack of stones honors a murdered 18th-century woman.

This Roman relic was discovered in Scotland by a mudlarking ferryman.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

A gruesome and mysterious ancient sculpture of a pagan deity from the Roman occupation of Celtic Britain.

This magnificently macabre shield shows the power of chivalrous love in medieval times.

An architectural oddity hides in plain sight on this iconic London bridge.

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

A mysterious shape catches the eye in this 16th-century painting.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

This bewitching Babylonian goddess haunts a hallway of the British Museum.

Tiny memorials honor individual victims of the Holocaust.