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

The ancient water tanks remain some of the ruined city’s most beautiful architecture.

An extraordinary "City of Caves" carved from solid stone.

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

Tucked in Mumbai’s wealthiest neighborhood is one of the city’s oldest and most sacred sites: a temple complex believed to house the waters of the Ganges.

This opulent 16th-century Maharaja’s palace is a unique mix of Hindu and Muslim designs.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

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

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

The 953 windows undoubtedly make this the world's most beautiful screened porch.

A natural gas leak provides a flickering flame beneath a waterfall.

Ornate, dome-topped cenotaphs fill this royal crematorium.