The signs of a long buried road can still be found hidden beneath a London sewer grate.

A lasting remnant of The Blitz.

A marine aquarium with an astounding variety of fish hides in the basement beneath the famous Palm House.

King of the Saxons on top, Roman goddess of wisdom on the bottom.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

London's only public statue of the much-married monarch adorns the gate to St Bartholomew’s Hospital.

Pop culture has helped to keep this iconic British building from being destroyed.

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

Hear the quietest sound from across the dome.

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

This restaurant's specialty is "a major enigma for food historians."

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

An unusual round church in London with a Templar past.

A faded reminder of what was once a common sight in London during the Blitz.

Outside of one of Britain's most renowned social clubs, a step installed specifically for the Duke.

A Baroque mansion with ties to legendary magicians and alchemists.

The world's first purpose-built motor racetrack was destroyed by the outbreak of two world wars.

A perilous medieval road leading right into the sea.

Today, Kent's medieval monarchs hold court on a busy pedestrian thoroughfare—or at least their statues do.

A defensive structure built during the Hundred Years War has remained useful in one way or another for nearly 700 years.

This strangely dressed taxidermy creature has a heartbreaking story.

A wonderfully eccentric Victorian-era museum and library.

This skewed English house has looked like it's going to fall over for centuries.