This Viking gravestone carved in a rare runic style was dug up from a London churchyard.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

This home on a quiet suburban street is completely covered with vibrant mosaics.

A naturally mummified 2,000-year-old man.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

The tallest city hall in the world offers an excellent bento box.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

This ancient Egyptian obelisk still bears the wounds of World War I.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

A public urinal so pretty, it was declared a national monument.

A railway station takeout shop sells boxed meals in containers shaped like trains and snowmen that hold the country’s abundant regional delicacies.

This Singaporean food-court stall was home to the world's cheapest Michelin-starred meal.

A wonderfully preserved example of London's 1960s-style high-density, low-rise public housing.

The Tudor-style cottage in the middle of the square is not quite what it seems.

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

The television series' iconic giant foot was borrowed from this classical painting.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

A cluttered and astounding collection of antiquities and curiosities.

A Swedish farm is the world's only producer of the rare, creamy delicacy that is moose cheese.

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

The British monarchy's stamp collection is one of the most impressive in all of Europe revealing generations of royal nerdery.

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