This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

This South London cemetery holds the remains of more than 15,000 people.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

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

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.

This one has sailed five times as far as Sir Francis Drake's famous ship.

The commemorative stone column conceals a secret laboratory.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Ship-sized kinetic sculptural fantasy.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

Nine centuries-old fortresses guard the walls of this medieval Romanian city.

This hauntingly beautiful cemetery outside a medieval citadel is full of winding paths and ivy-covered graves.

A relic from the Industrial Revolution got a second life as a contemporary performing arts space.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

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

A quirky assortment of musical marvels from around the world.

The cave where two British judges hid in exile after sentencing the king to death.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

This small-town pizzeria won the Hollywood lottery.