Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

Dictionary Johnson’s favorite feline.

Since 1887, this old-school shop has stacked its shelves with extraordinary coffees and teas.

This coffee shop lies hidden beneath a historic church.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

This secluded walkway overlooks a magnificently wild London green space.

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

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

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

A clock designed to run with perfect accuracy for 10,000 years.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The largest of London's subterranean rivers and once a mad, bad center of London life.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

Scattered throughout London are ancient remnants of the city's former bounding wall.

A cluttered and astounding collection of antiquities and curiosities.

This 1920s Dutch barge is now a floating bookstore.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

A tongue-in-cheek arcade where the games are based on everyday life.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.