The world's largest human gathering is held at the confluence of three sacred rivers, one of which is mythical.

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

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

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

Ornate, dome-topped cenotaphs fill this royal crematorium.

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

Sacred Indian temple that’s all monkey business.

A complex of six forts embedded in the Rajasthan hills.

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.

A Zoroastrian funerary tower where excarnation rituals are carried out is threatened by the area's dwindling vulture population.

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

The only Chinese temple in Mumbai.

World's most expensive home.

A 66-million-year-old rock formation stands tall over Mumbai, offering stellar city views.

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

Nineteen ancient rock-cut Buddhist caves can be found on the outskirts of Mumbai.

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.

Half-size replica of the Taj Mahal.

A centuries-old shrine where Indians pray for U.S. visas.

A magical expanse of colorful street murals lies hidden within the quiet neighborhood.

A fresco in this magnificent palace is said to have been the first depiction of the Taj Mahal's design.

Rock-cut cave complex filled with ancient Buddhist artwork.

Mind-blowing carvings and fantasy ice scenes grace the largest year-round ice environment in the world.

Four-story concrete hotel never opened to customers.