Adolph Sutro's little-known, geographically inaccurate, deprecated monument.

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

A famous alternative culture epicenter and where Joplin serenaded young hippies.

An overlooked and unassuming engineering marvel.

This shop specializes in oddities and Victorian-inspired wonders.

If you've ever wanted to tear Hello Kitty apart with your teeth, this is the place.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

In Hong Kong, a fairytale flower tunnel is hidden within the gardens of a public housing complex.

The small candy-colored ride is the last rooftop Ferris wheel in Tokyo.

Hidden in the shadow of a rocky fortress is one concubine’s long-forgotten legacy.

A century-old tradition has culminated in a small but singular collection of feline effigies.

The famous aviator's final resting place is a study in natural beauty.

A model of a galactic embassy is hidden in plain sight along the highway, proposed by a UFO religion to find the aliens that created life on Earth.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

The spot where the namesake of the Douglas fir met his mysterious end on a Hawaiian volcano.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

This Hawaiian cattle ranch acts as a museum devoted to the island cowboys that predate the wild west.

Football field-sized microalgae production tanks on the Hawaiian coast create a stunning view from space.