The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

On the Pakistan-India border the militaries perform an elaborate theater of aggression each and every night.

This small cafe aims to empower acid attack victims and stop violence against women in India.

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

This Gothic-style church is reputedly built atop the remains of one of Jesus's apostles.

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

The world's largest Tibetan refugee settlement.

Fifteen Jodhpur queens left their handprints before going to their fiery death.

An ancient iron pillar in Delhi that seems to be rustproof.

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

A startling, centuries-old subterranean marvel hides in plain sight.

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

Modest by day, illuminated majestically at sunset.

The world's second-largest sundial, made entirely out of stone.

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.

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

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

An eccentric German artist built this weird and wondrous castle packed with shocking sculptures and alien art.

The final resting place of Christopher Columbus - or possibly someone else.

Built in 1512, the oldest cathedral in the Americas.

The first official clock in North America, it kept time for the Spanish government of Santo Domingo.

After Christopher Columbus died, his son built a fancy house to rule from.