The colorful, smiling concrete silos of Vancouver.

A renegade art installation in a small Vancouver park is now officially sanctioned by the City Parks Department.

Surprisingly Delicious Asian-Style Hot Dogs.

This conservatory allows a little bit of the tropics to thrive in the middle of a major Canadian city.

Locals transformed this Canadian evergreen into a secret hangout with spectacular views of Vancouver's skyline.

Traditional 15th century Chinese garden in the middle of Vancouver.

This Elizabethan hedge maze is one of only six in North America.

A chance to sleep among the firs and pines of the Oregon forest.

Treehouse motel and treehouse-building school.

A botanic garden full of trees twisted into fantastic shapes and positions.

This strange hill on Old Fort Road where gravity works in reverse has been fascinating locals for years.

Each winter this underground cave forms a dazzling ice palace.

The long, arduous journey of the stones of the Abbey of New Clairvaux.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

The abandoned personal amusement park of the King of Pop.

One of the last free public hot springs is decorated with hippie art.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

A storybook European village in Berkeley.

This private residence was the template for one of the most beloved television homes of all time.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

Travelers exchange letters with woodland creatures at this mini post office.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.