The majority of the museum's large collection is held in a storage space open to the public a few times a year.

A Victorian school for poverty stricken waifs has been preserved as a museum to their donated education.

Abstract dinosaur models in London.

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

An incarceration museum on the spot of possibly the oldest prison in England.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

A historic house left in "dramatic still life."

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

The signs of a long buried road can still be found hidden beneath a London sewer grate.

The curios of pharmacist and collector Henry Wellcome.

Banksy gives themself artistic license with this piece of London street art.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

An abandoned amusement park based on the popular 1940s Red Ryder comic strip.

A sprawling collection of over 106,000 toys from around the world.

Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.

A preserve with 75,000 ancient drawings remains the realm of public – not just scientific – exploration.

This is one really big nut.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.