Japanese company creates clone dolls that reside in the "uncanny valley."

The twists and turns of this serpentine maze are over 170 years old.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

This fantastical house shaped like a seashell brings aquatic design to architecture.

Bonsai garden in Oakland is curated by the first non-Japanese female bonsai master in the United States.

The cursed island of black pebbles.

Nine Gardens in one—with tea service.

This lab's maddening silence is good for business but bad for sanity.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

Millions of glowing microscopic organisms light up the waters of this luminous lagoon.

An underwater city for the dead.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

A sunken idol welcomes parishioners to Davy Jones' Locker.

Australian Lake set aglow by Noctiluca Scintillans.

The world's smallest drawbridge.

A beautiful maze marks where three countries meet.

An enormous illuminated figure dances on the Las Vegas strip.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

Stalin's march toward a more modern USSR flooded a monastery, leaving a unique and extravagant nautical marker, "The Flooded Belfry."

The miraculous hydrant that saved the Mission District in 1906.

The remains of a ruined mansion memorialize the 1906 earthquake.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

This church in Pittsburgh is home to the largest collection of religious relics in North America.