A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Giant, friendly pelicans in Central London, the most unlikely of places.

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

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

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

Pop culture has helped to keep this iconic British building from being destroyed.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Hear the quietest sound from across the dome.

This museum inside a museum tells the story of London's timepieces.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

The curios of pharmacist and collector Henry Wellcome.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

Museum celebrating the history of computers, especially their role in codebreaking.