The ruins of a church destroyed by both the Great Fire of London and the Blitz, now turned into a peaceful garden.

Hear the quietest sound from across the dome.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

The last remaining example of the boatmen's perches that once dotted the south bank of the Thames.

Murals of the wild parties once held on the frozen River Thames.

Ship-sized kinetic sculptural fantasy.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

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.