The pretty iron lamp is a reminder of the architecture underneath London's streets.

A historic hill of tall tales, with one rather special tree.

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

Tucked inside a South Bank bar is an epic expressionist chronicle of the 20th century.

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

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

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

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

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

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

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

A living memorial to the trees London lost during the Great Storm of 1987.

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

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

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

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

This quaint mortuary chapel hides a stunning Celtic Revival and Art Nouveau interior.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.