This coffee shop lies hidden beneath a historic church.

The world's oldest family-run magic shop is hidden beneath a bustling London thoroughfare.

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

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

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

Two plaques commemorate the site of Shakespeare's first theatre.

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

An architectural oddity hides in plain sight on this iconic London bridge.

A discarded movie prop that was the original monolith for "2001: A Space Odyssey."

Ship-sized kinetic sculptural fantasy.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

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

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

According to legend, this tomb holds the secrets to time travel.

Some of the earliest leaders of the Moravian congregation are buried here.

This small collection of rare books was uniquely locked up for safe keeping.

Tucked away behind the mansions of Mayfair, this picturesque garden is a hidden London treasure with a spooky past.

This overlooked street light once served as a KGB dead letter box.

A peculiar museum that includes many drunken tales, a drunk driving simulator, and much more.

Where the lovelorn find a home for their sentimental keepsakes.

Electrical pylon in the shape of Disney's beloved mouse.

The commemorative stone column conceals a secret laboratory.

The Great Fire of London and the regulation of one-way streets both started in this alley.

Dictionary Johnson’s favorite feline.