A modern temple with an ancient philosophy.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

A white Buddhist temple with a golden restroom.

Catacombs turned marketplace.

This medieval manuscript collection has some of the most obscure and ancient texts in the world.

See how paper is made the old-fashioned way.

Tel Aviv's popular neighborhood went though endless waves of transformation.

A "miracle" that seems to produce more holy fistfights than holy revelations.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

This small chapel is built of human bones and decorated with a golden skeleton.

Two thousand feline artifacts fill Malaysia's "Cat City."

This hunter-gatherer architecture is believed to be the oldest religious complex known.

A recently-abandoned international exhibition center.

The best-preserved ancient theater in the world.

Turkish adventurer antiques in the heart of the Grand Bazaar.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

A sacred lake with thousands of sacred carp and a biblical history.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

This little medieval church hidden in the center of Yerevan was lost and rediscovered—twice.

Huge stairway leads to this massive gallery.

Destruction from Armenia's 1988 earthquake inspired an artist's sculptures of scrap metal.

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

She asked for a potato cellar and over the next 23 years he gave her a network of holy caves.