This religious complex carved into a cliff is steeped in legends of miraculous stags and the Holy Grail.

A contemporary art installation housed within a Gothic cathedral.

This multi-level, aqueduct-footbridge hybrid is one of the greatest works of the Spanish Renaissance.

These magnificently sculpted tombs represent Spain's own legendary version of "Romeo and Juliet."

This grandiose staircase was part of the revival of a medieval Spanish architectural style combining Christian and Islamic influences.

Walk into an underground archeological dig, the site of the Roman Forum that was once the center of Valencia.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Elaborate tile work in this railway station tells the story of Portugal.

Twenty-four works by the last great Mexican muralist tell the story of Tlaxcala.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

This statue was a gift to commemorate the Thai monarch's first visit to a foreign land.

These bronze statues depict the early days of trading in Singapore.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

Singapore's landscaping project is home to 18 incredible Supertrees.

A sprawling nature preserve harbors the world's only living dragons.

Once home to Komodo dragons, this island dreamscape has a rare combination of white, pink, and black sand beaches.

Hundreds of Buddhas in a re-discovered Indonesian temple.

This massive complex is made up of hundreds of smaller temples that date back to the ninth century.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

Showcasing some of the best-preserved temples of the Champa Kingdom.

One of the holiest places in the region, devotees come to Tirta Empul to bathe in the holy spring water.

This Balinese sea temple is thought to be guarded by the hundreds of monkeys that live around it.