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

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

World's most expensive home.

These particularly resplendent rodents are the state animal of Maharashtra.

A blooming house of worship for the masses.

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

Rock-cut cave complex filled with ancient Buddhist artwork.

The world's second-largest sundial, made entirely out of stone.

A palatial sculpture park was built illegally and in secret by a self-taught artist over 36 years.

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

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

A mecca for India's Jains.

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.

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

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

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

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Two stone columns flank the grand Venice square, but there were supposed to be three.

A building so large that it has its own weather.

Once a black market electronics marketplace, now an otaku shopper's paradise.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.