Once a thriving business district, this former shopping area is now an urban ghost town in the heart of the city.

A charming tour of the umbrella, tin-can, and drinking-straw capital of the world.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

It’s not hard to see why the historic Peabody Conservatory of Music’s library has been described as a “cathedral of books.”

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

A museum dedicated to exhibiting remarkable outsider art.

An astounding collection of medical specimens, including bits of President Lincoln.

Cavernous opening completely encased in Karst limestone.

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

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

This pub was 238 years old when it decided to revamp its image: It started serving Thai food.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

The television series' iconic giant foot was borrowed from this classical painting.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

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

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

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

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

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 first ‘Harry Potter’ film.

Montmartre's sole surviving windmill became an iconic landmark for 19th-century painters, artists, and bohemians.

The remains of the medieval wall that once surrounded Paris with ties to the construction of the Louvre.

The narrowest street in Paris.