This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

A unique tribute to the millions of animals who served and died for the British military.

Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

An architectural oddity hides in plain sight on this iconic London bridge.

These ornate arches show how the course of the River Thames has changed.

A tiny replica of the iconic London landmark hides on the side of the steel structure.

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

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

The ritual has been performed uninterrupted for nearly 700 years.

A measuring mishap led to these artificial stone ladies losing their stomachs.

The broken skateboards that became a poignant memorial to a murdered skater.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

This pub was 238 years old when it decided to revamp its image: It started serving Thai food.

Black cat statues guard this temple-like Egyptian revival factory.

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

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

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."

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

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.

There's an exclusive Beefeaters pub hidden in the Tower of London.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.