A sharply wedged sundial marks the point at which each day in the United States begins.

This memorial to a family's dead son has survived a century of hurricanes and earthquakes.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

This limestone cave offers an incredible view of the Río Grande de Arecibo valley.

Bermuda triangle lighthouse, site of mysterious disappearances, left to crumble into the Atlantic.

An underwater road considered a possible Atlantis location.

In paradise, feral pigs have claimed an island all to themselves.

A culturally significant rural temple in the beautiful mountains of Itoshima.

According to one legend, this bridge was crafted after monkeys formed a body-bridge across the gorge.

Approximately 300 million years ago, a massive coral reef existed in what is now the largest limestone cave in Japan.

What's believed to be the country's first shrine is, in Shintō mythology, the annual meeting place of the gods.

This little known mountain has claimed four times as many lives as Everest.

This beautiful Japanese garden is a memorial to the samurai who literally wrote the book on business as martial art.

This bridge is so steep it looks like a rollercoaster.

The only thing sweeter than the potatoes is the canine proprietor of this roadside stall.

Cherry blossom season comes early in this Japanese town where pink flowers line the streets and riverbanks.

Unusual hexagonal rocks formed by cooling lava named for their resemblance to traditional Japanese tatami mats.

A Japanese cat island also populated by the descendants of a band of banished samurai.

This pair of small sea rocks has been "wed" using rope and ancient Shinto tradition.

Hanging over one of Japan's "hidden valleys," these vine bridges must be remade every three years.

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

On Japan's Tashirojima Island, cats are king.

An exquisite tunnel of cascading flowers.

These excavated burials from the Tarim Basin are wrapped in mystery.