This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Elevated freight railway turned wildly successful urban park.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

Chelsea's soldiers were given strict orders when crossing this historic bridge.

A mysterious shape catches the eye in this 16th-century painting.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

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

Murals of the wild parties once held on the frozen River Thames.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

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

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

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

Once the largest unsupported dome in the world, beating out the Pantheon and St Peters in Rome.

A historic Georgian building and warm springs.

Find out what it sounds like when doves cry at Prince's recording studio estate turned museum.

After the musical legend's death, his memorial was mysteriously graffitied in gold.

One of two giant blue cockerel statues erected with an intentional double meaning.

This kaleidoscopic mural shows Bob Dylan throughout his transition from young troubadour to Nobel laureate.