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

On the grounds of the famous Qutab Minar lies another unfinished tower meant to be twice as tall.

Time has stopped at the house where Gandhi died.

A blooming house of worship for the masses.

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

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

The ruins of a medieval citadel believed to be haunted by a ministry of wish-granting djinns.

The Hindu god Vishnu is said to have walked at this Hindu pilgrimage site.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

This historic square in Nepal is home to temples dating back to the third century.

A museum with a window view of the Himalayas and an on-site climbing wall.

Lake Phewa is home to the only island temple in Nepal.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

One of the earliest graveyards in the region.

A recreated sign from the movie Jumanji has become a makeshift tribute to the film's late star.

This New England drive-in was built to straddle the border between two states.

As the Dead Sea continues to deplete, massive sinkholes open along its banks.

Dozens of elegant ceramic tiles decorate these ancient walls, each displaying the Lord's Prayer in a different language.

A "miracle" that seems to produce more holy fistfights than holy revelations.

A Manhattan tombstone honors a popular 19th-century heroine, now long forgotten.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

This museum covers 10,000 years of Pre-Columbian Latin American history.