Notorious artist squat renovated into legal studios.

Abandoned railway line circling the city of Paris.

France's most famous cemetery, with some of its most curious tombs.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

Iron Age runes and ruins hide in plain sight along this Portuguese beach.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

An abandoned tuberculosis hospital said to be haunted by the patients who died within its walls.

Picturesque intersection of witchcraft and ancient Christianity.

This giant sculpture made of trash is a critique of society's wastefulness.

Building owners can take out tiles for free at this repository for historic building materials.

The former Willingdon Airport started operations in 1929, in India's capital, Delhi. Now, it's used for maintenance runs and helicopter rides.

This synagogue is the only place of worship for New Delhi’s small Jewish community.

The last remaining colonial-era Italian church in Old Goa.

This ruined relic of the medieval city of Jahanpanah is a quiet oasis in the middle of New Delhi.

A favorite haunt of Delhi's politicos and intellectuals, this old-school coffee shop was shut down under Indira Gandhi's Emergency.

India's first open-air public art district sits in the heart of the country's capital.

Ancient traditions and surreal birdwatching come into sharp relief along one of the world's most polluted rivers.

This hidden Sufi cemetery is a spiritual monument for India's third gender community.

Nestled among the artifacts of the National Crafts Museum, this hidden gem offers hard-to-find regional foods from all over India.

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

This beautiful 16th-century necropolis marks an astonishing feat in heritage conservation.

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

Made by a man on a worldwide sanitation crusade.

Time has stopped at the house where Gandhi died.