A Victorian Fort built into the chalky cliffs that overlook the English Channel.

In this quiet village, a blue plaque marks the spot where the famous fictional detective retired.

England's most notorious suicide spot.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

An ancient water supply dating back almost 500 years can still be found standing in East Sussex.

Two gilded cherubs perched on a church bell tower have been reminding visitors of the finitude of life since 1760.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

Also known as Rye Castle, this 13th-century fortification later became a prison and held one of Rye's most famous criminals.

A rare example of this century-old British tank stands near the center of town in Ashford.

This ancient Egyptian obelisk still bears the wounds of World War I.

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

The television series' iconic giant foot was borrowed from this classical painting.

A mysterious shape catches the eye in this 16th-century painting.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

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

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

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

On a wall in linear London, a plaque hangs at the high water mark of one of the worst floods in fictional Kcymaerxthaereal times.

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

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

This London marker celebrates the spot where the world-famous English band was founded.

A plaque marks the underground site of one of London's "lost rivers."

A cluttered and astounding collection of antiquities and curiosities.