The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A winding path built in secret on the edge of the continent.

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

The remains of a ruined mansion memorialize the 1906 earthquake.

Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

An artsy hidden staircase leads to breathtaking views of San Francisco.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

A hidden subterranean installation offers a view of the sky.

A huge musical instrument played by the ocean.

A modern mechanical planetary system, part of a 10,000 year clock.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Join the circus for a few lessons to learn clowning, acrobatics, and Chinese contortion.

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

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

Portlandia is the second-largest copper repoussé statue in the United States.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A heavenly experience, right here on Terra Firma.