A bizarre house filled with an astounding array of collections.

The romantic garden was the epicenter of the Hungarian art scene in the 1880s.

The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

This informal museum is a magical trove of anonymous art collected from car boots and flea markets.

A 1950s beatnik coffee house, turned 60s counterculture hotspot, turned modern music venue.

A hidden path at the National Theatre lets you look behind the scenes of the latest productions.

This open-air mosaic gallery honoring an English artist took hundreds of volunteers more than seven years to create.

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

The next-door homes of two very different musicians, George Frideric Handel and Jimi Hendrix.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

This secret garden has bloomed into London's most unique hub of urban creativity.

Lovers proclaim their unbreakable bond by leaving their names on locks fastened onto the Shoreditch fence in East London.

This home on a quiet suburban street is completely covered with vibrant mosaics.

A little slice of Japan and its aesthetics in London's Holland Park.

A network of concealed passageways lies within a busy London Underground station.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Artists and musicians now rule over this former rail station.

English antique dealers with a taste for the unusual.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

This 1920s Dutch barge is now a floating bookstore.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

Remnants of a Victorian garden feature sitting in public woodland.

Catacombs turned marketplace.