A sculpture outside London's oldest cathedral honors the Mohegan chief who died while petitioning the king.

Before becoming a poet John Keats studied here to become a surgeon.

The fences outside some of South London's estates are made from recycled World War II stretchers.

King of the Saxons on top, Roman goddess of wisdom on the bottom.

Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

The oldest residential street in Europe also features an optical illusion.

This astronomical clock is the second oldest in England.

The unusual stilted beacon is the town's only active lighthouse.

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

A half-buried vehicle in Prague's is the latest iteration in a long-running piece by Czech artist David Černý.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

This automated sculpture of two men peeing will spell out text messages with their micturition.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

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

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

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

This Czech church doubles as something of a permanent fashion exhibition for a statue of the Infant Jesus.

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

The medieval "Bearded Man" relief still serves as a clever flood warning marker.

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.

A Jenga-style cylindrical tower of books that appears to go on forever.

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

This spooky statue sits outside a famous Prague theater.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.