The memorial to the victims of the Jonestown Massacre carries the names of 918 lost, including one name people wish wasn't there.

An eccentric home stands out in an otherwise average neighborhood with mosaics, mini topiaries, and kinetic sculpture.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

No one knows who created the statues or if they are arranged properly—let alone the artwork's real name.

It is against the law to obstruct the view from the top of this English burial mound.

A kaleidoscopic warehouse-maze of handmade neon signs.

The remains of Crystal Palace Great Exhibition of 1851.

A musical composition 1000 years in length plays at the Trinity Buoy Wharf in London.

Putting the "mod" in "modular" since 2000.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

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

A student driver's nightmare.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

Where Aleister Crowley attempted to seize the Hermetic Order of the Golden Dawn in a mask and a kilt.

This medieval church tower has maintained its clockworks since the 16th century.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

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

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

An artistic tribute to the famous singer, just around the corner from where he was born.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

This hidden rooftop garden in downtown London offers a quiet respite from a bustling city.