This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

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

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

A palatial sculpture park was built illegally and in secret by a self-taught artist over 36 years.

A blooming house of worship for the masses.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

The most playful of the life-sized statues that make up Singapore's "People of the River."

This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.

A towering work of stone and philosophy that was constructed using ancient Hindu science.

World's tallest monolithic statue has served as a pilgrimage site since its completion in 993 CE.

Modest by day, illuminated majestically at sunset.

The remains of what was, not so long ago, the world's largest city.

Scholar, adventurer, saint, and instigator of the Goa Inquisition.

Half-size replica of the Taj Mahal.

Rock-cut cave complex filled with ancient Buddhist artwork.

An ancient Egyptian temple in the middle of Madrid, Spain.