An eclectic mix of influences rot together in harmony in this India necropolis.

The oldest still-inhabited hill fort in India looks like a magnificent golden sandcastle.

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.

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

This ancient Hindu temple is covered in thousands of colorful statues and has a long mythological history.

A former bastion of Rajput chivalry, this massive hill fort is the site of legend and tragedy.

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

Siddhartha Gautama sat here and received enlightenment.

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

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

This opulent 16th-century Maharaja’s palace is a unique mix of Hindu and Muslim designs.

Ornate, dome-topped cenotaphs fill this royal crematorium.

Sacred Indian temple that’s all monkey business.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

Mediterranean castle on a tiny Turkish island.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.