One man's lifetime collection of tiny objects of wisdom gathered from around the world, on display for public enjoyment.

The burial ground of two kings and a queen is now a calm city park in the middle of bustling Seoul.

A unique structure located on the grounds of one of five grand palaces that were built by the Joseon dynasty.

The name of the only golden Buddhist temple in Korea translates as "the temple that protects the country."

Two women with a flair for both adventure and artful clutter created this singular round home.

Human-made caves excavated to hide a secret society of wealthy pagans.

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

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

Pitié-Salpêtrière was the dumping grounds for women who received the dreaded diagnosis of "hysterical."

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

A museum of carnival attractions where you are invited to ride the rides.

A haunting collection of the vanished and disappearing natural world.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This city square dates back to the Scottish Enlightenment and was home to some of Scotland's brightest minds.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

Home to over 200,000 artifacts, this museum attempts to guide visitors through the ancient history of Beijing and Imperial China.

This probably wasn't what Mao had in mind.

Mirrored floors and arched shelves create the illusion of an infinite tunnel of books.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

This series of Scottish caves has no clear purpose other than baffling historians.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

This under-visited temple is nestled within one of Shanghai's traditional shikumen-style residential blocks.