A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

This banal Parisian entranceway is not what it seems.

A Gothic cathedral created from volcanic rocks.

Where the high court feasted, frolicked, and high courtesans put their royal lovers' diamonds to the test.

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

Egyptian Revival movie palace abandoned for decades and restored in 2013.

This Parisian café sticks almost exclusively to an ethos of reuse.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

Paris' linguistic guide to the international language of, yes, love.

Many Hindus make the long pilgrimage to this holy city to have their remains burned on the banks of the Ganges River.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

Ornate, dome-topped cenotaphs fill this royal crematorium.

Known as the leaning temple, the sacred structure has somehow developed a severe nine-degree slant.

Half-size replica of the Taj Mahal.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

This stunning 15th-century royal hill fort preserves the age of chivalry in Rajasthan.

Temples adorned with intricate, erotic sculptures make up one of the "seven wonders" of India.

This peaceful Sikh gurudwara serves around 50,000 free meals every day within its gilded walls.

Hidden in the shadow of a rocky fortress is one concubine’s long-forgotten legacy.

Sacred Indian temple that’s all monkey business.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

The 953 windows undoubtedly make this the world's most beautiful screened porch.