Classic game cookery takes center stage at what's widely considered London's oldest restaurant.

A wonderfully eclectic Victorian aquarium lies in the basement of the Horniman Museum.

On October 17, 1814, a 15-ft. wave of beer ran rampant through the streets of London.

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

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

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

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

This small collection of rare books was uniquely locked up for safe keeping.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

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

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

The last four extravagant street signs of London's historic banking street.

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

An eccentric 18th century naval officer built a ship's quarterdeck on his roof, the inspiration for Mary Poppins's "Admiral Boom."

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

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

A friendly pub with a sordid past in cock fighting.

These morbid carvings remind churchgoers of the inevitability of death.

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

Ship-sized kinetic sculptural fantasy.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.