Its collection includes a broad array of social, geographic, graphic design, and political history.

Site of the first hot air balloon flight conducted by the first English balloonist.

The remnants of a depressing public toilet are now a hub of ever evolving street art.

Be on the lookout for the symbolic insect all over the city.

A tiny, heartwarming piece of art hiding in plain sight.

Manchester salvaged this sculpture of the adopted Mancunian when it was no longer wanted in Ukraine.

Journey through this open museum where even employees remain true to period.

The commemorative stone column conceals a secret laboratory.

This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

This restaurant was removed from the famed sister ship of the Titanic and placed within a hotel.

The sign at the garden gate reads: “These Plants Can Kill.”

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

Buried for centuries, this hidden cellar is all that remains of London's medieval Whitefriars Monastery.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

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

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

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

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

The medieval woodcut-style artwork chronicles life in medieval London.

The star-studded street honors the city's most notable Brummies.

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

A 15th-century former coaching inn forms the implausibly grand entrance to a 1980s shopping mall.

These 90-year-old murals of local kings, Vikings, and outlaws hide in plain sight in a beautifully baroque shopping arcade.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.