A grueling 699-step stairway to a heavenly view of the island of Saint Helena.

Estimated to be more than 5,000 years old, this yew may be Britain’s oldest.

Northern Kentucky’s very own Notre Dame showcases intricate stained glass and the bones of saints.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This statue honoring the most decorated dog of World War I stands in a Connecticut park.

The best-preserved Roman site in India.

Kolkata’s only Portuguese church has a curious link with chickens.

The place of worship for Zoroastrians, Mumbai's Parsi fire temples use fire and ash for purification.

This colorful colonial neighborhood in Panjim is one of the only Latin Quarters in Asia.

A collection of crumbling mansions stand as a reminder of a more prosperous time in this Indian village.

One of the tallest mountains in India was closed for years after a botched CIA mission.

This magical place built as an astronomical center starred as a James Bond villain's lair.

This 11th-century temple gave rise to the word "juggernaut," as well as some mysteries that defy scientific explanation.

At 8,000 feet, the world's highest tea estate draws visitors for both its products and its panoramic views.

Temples adorned with intricate, erotic sculptures make up one of the "seven wonders" of India.

Modest by day, illuminated majestically at sunset.

This hilltop warren of monastic dwellings is the result of centuries worth of Mongol attacks.

These particularly resplendent rodents are the state animal of Maharashtra.

Rock-cut cave complex filled with ancient Buddhist artwork.

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

This otherworldly palace-mausoleum complex is the stuff eternal dreams are made of.

The second-longest continuous wall on the planet protects a hidden secret in the deserts of India.

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

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.