Visible below the waves are memorials to the city's Gold Rush dead.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

San Francisco's newly reopened hands-on science museum.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

Olfactory delights in San Francisco's Botanical Gardens.

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

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

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Tucked away in downtown Westerly is America's first shark history museum.

Not quite the menace it once was, this monster still has some chops.

Tokyo’s only Ainu restaurant serves Indigenous food from northern Japan.

The first "Hut" was actually a small brick building.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

This Japanese treats shop may have been the first business to mass-produce fortune cookies in the United States.