A unique underground structure dating back to the 1st century BC.

Walk through living pictures and music in the Cathedral of Images.

Thousands of flamingos and other bird species flourish in these Camargue wetlands.

This ancient theater was once the home of fierce gladiatorial battles.

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

Time has stopped at the house where Gandhi died.

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

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

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

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

A tall karst islet popularized by 007.

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

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

A remote hilltop covered in giant monoliths haunts the Brittany countryside.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

The pile of books behind the dignified writer gave the statue a most undignified nickname.

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

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

Where Venice's gondolas go for a tune-up.

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