A 13th-century convent where St. Margaret of Hungary spent her teenage years.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

The world's largest collection of witchcraft regalia.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Medicinal spa created with the discharge from a geothermal energy plant.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

These fantastically named natural pools look like something out of a Scottish myth.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

A snapshot of the city's fascinating voodoo culture.

Most-visited and most-photographed slot canyon in the American Southwest.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

An exquisite tunnel of cascading flowers.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A traditional American farmhouse plopped in the middle of a Piccadilly courtyard.

"Purveyors of traditional sweets and vintage treats."

This hidden rooftop garden in downtown London offers a quiet respite from a bustling city.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

An unusual round church in London with a Templar past.

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

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

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.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.