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

Inside India's oldest mosque, a lamp is said to have burnt for 1,000 years without going out.

A tribute to the man who helped develop Pune.

These stone carvings represent the various governors that once ruled Bombay.

A handmade waterfall in Kanyakumari.

The lone remnant of a 16th-century palace in Old Goa.

An unassuming tomb houses an important milestone in Indian architectural history.

A former palace designed for the consorts of the Travancore royal dynasty.

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

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

This rare basalt crater lake is used to study the Moon and Mars.

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

This fortress played a key role in the battle that would ultimately give rise to the Maratha Empire.

Siddhartha Gautama sat here and received enlightenment.

A deeply beautiful 15th-century stepwell with a tragic story.

This 17th-century mausoleum is topped with an acoustic marvel.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

An exact replica of a colossal Olmec head sits atop a pyramid within a Madrid traffic circle.

The lengthy skeleton of one of the tallest Spaniards of all time is on display in Madrid.

This lucky bronze frog was gifted to Madrid by a casino.

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

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.