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.

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

The commemorative stone column conceals a secret laboratory.

The Great Fire of London and the regulation of one-way streets both started in this alley.

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

Rebuilt remains of a temple to Roman god Mithras.

Historic cuisine meets fine dining in a hotel-restaurant overlooking Hyde Park.

The medieval woodcut-style artwork chronicles life in medieval London.

This 19th-century pub features stained-glass windows celebrating Victorian-era "champions."

A gruesome and mysterious ancient sculpture of a pagan deity from the Roman occupation of Celtic Britain.

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

This black cat was actually designed to ward off bad luck.

At just 51 feet and 10 inches long, it's the shortest street in England.

A replica of the steam engine that hauled Queen Victoria's Royal Train is on display at Windsor.

A little slice of Japan and its aesthetics in London's Holland Park.

Home of one of history's most famous cartoonists just as he left it.

This artist's home turned gallery/museum preserves the creator's love of "Eastern" influences.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

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

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

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