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

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

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

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 first ‘Harry Potter’ film.

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

An artsy hidden staircase leads to breathtaking views of San Francisco.

A hidden bathhouse in one of Stockholm's oldest and busiest neighborhoods is open to anyone who can find it.

Macabre museum devoted to historical Viennese murders.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

A startling, centuries-old subterranean marvel hides in plain sight.

A sandstone lamp post in Mumbai's business district honors the war efforts of the Port Trust and its employees who fell during World War I.

This 19th-century heritage building once housed a department store that supplied British provisions in the city.

The place of worship for Zoroastrians, Mumbai's Parsi fire temples use fire and ash for purification.

A group of abandoned factories and buildings that have been revitalized and are now used to promote culture, education, entrepreneurialism, and sustainable development.

This attraction is devoted to the wonders of steam power and features a replica of one of its most public disasters.

After a terrible drought, townspeople used wine to build this church.

A puppy slum that protects canines from the cruelties of the human slums.

One of the few remaining temples of the Religion of Humanity.

This small Brazilian museum honors the work of a German biologist who studied the jungles for decades.

The remains of a British railway rusting in the jungle mist of a Brazilian mountainside.

A snake farm famous for its venemous varieties.

A huge boat-shaped hotel with a blood red pool and other oddities.