In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

The Columbia Road Flower Market is now open every Sunday, rain or shine.

A flourishing garden with pigs, donkeys, goats, rabbits, guinea pigs, chickens, ducks, and sheep.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

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

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

This gorgeous Peranakan mansion’s family heritage includes a century-old baby gate, which was also used to keep out irresponsible husbands.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

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

This macabre painting of a Shakespearean scene looks like something out of a nightmare.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

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

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

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

The kitsch mansion of the former Romanian president Nicolae Ceaușescu features a golden bathroom.

This museum offers a journey back to the Belle Epoque era of Romania.

After sitting unused for decades, this abandoned communist infrastructure became a wildlife utopia.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

Romania's triumphal arch looks out over Bucharest.

This once-derelict building is now one of the most beautiful bookstores in the world.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.