Locals call this magical moss-covered walkway the "Emerald Path."

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

This sprawling scenic burial ground is the final resting place of Japan's last shogun.

A Buddhist temple to honor insects that died for science.

Founded over a thousand years ago, this shrine is said to be built on the site of a warlord's harem prison.

The self-mummified monks of Japan.

The iconic castle that withstood a magnitude 6.2 earthquake has become a symbol of resilience.

The giant figure on the back of this turtle-shaped temple actually hides a memorial pendulum.

A mysterious set of tunnels carved in the hills of rural northern Kyushu.

The largest volcanic caldera in Japan holds an entire city in its maw.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

A soon-to-be-forgotten roadside spectacle loaded with local lore.

No one messes with the Massachusetts sacred cod, not this time...

The massive machine creates cracking displays of indoor lightning.

Narrowest house in Boston.

A massive cave complex boasts some of the clearest water (and most charming bats) in the world.

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

Every autumn, this hillside is ablaze with red summer cypress.

On Japan's Tashirojima Island, cats are king.

Twelve hundred stone carvings guard this off-the-beaten-path Buddhist temple.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A 19th-century architectural wonder designed by the "father of the skyscraper."

An elaborate memorial to a man local legend says died of a broken heart.

A forsaken wonder in the middle of the East Side neighborhood.