Mexico City's residents are being watched by this state surveillance headquarters, designed by architects with a flair for intimidation.

A quirky and charming restaurant founded by artists.

A church dedicated to the Mexican skeleton saint.

66,000 pieces of art, donated by one of the world's richest men.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

Part bookstore, part café, and part forest.

This elaborate temple was built around one of the Buddha's teeth.

A Sri Lankan tea factory's ironic take on the Los Angeles landmark.

An ancient stone fortress considered by many to be the eighth wonder of the world.

A Bohemian "anti-hotel" offers off-kilter stays in Sri Lanka.

A geological oddity topped with a 2,000-year-old pagan temple.

Unfinished monument to peace between Turkey and Armenia, long divided by a dispute over genocide.

A marvel of Byzantine engineering under the streets of Istanbul.