The building where Mary, Queen of Scots was said to have bathed in white wine.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

A British plaque explains that a house was built using the spoils of the first international golf bet.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

Sprawled across the Great Hall ceiling are various constellations and images relating to the zodiac.

This Scottish graveyard is the final resting place of the man who inspired the character Ebenezer Scrooge.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

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.