The walls of America's oldest masonry fort famously "swallowed" cannonballs.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

A monument celebrating the idea of reaching inaccessible places.

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

A tribute to Ponce de Leon's supposed quest for eternal youth.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world’s largest coastal brick fortresses.

Striking, enormous gold-plated sculpture of Buddha installed in the 19th century.

This sensational silver temple is the product of centuries of metalworking.

This enormous gold Buddha statue was hidden inside a stucco decoy for centuries.

This elegant carving of the Buddha guards a small Buddhist temple within a cave.

A shrine built to combat the bad karma of a commercial venture.

Buddha shrines hide within dark tunnels at this unique forest temple.

Where an entire elephant skeleton, a snakeskin table runner, and thousands of animal remains become art.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

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

A white Buddhist temple with a golden restroom.

At the right time of day, sunlight floods through the roof of this cave and illuminates the small pavilion hidden within.

This natural rock formation has an anatomical aesthetic.

A sculpture garden built by a retired durian farmer.

A dazzling temple featuring a towering 12-meter golden Buddha.

Self-mummified monk who wears sunglasses and has become a gecko hatchery.

The history of Tel Aviv told through a work of art.