A man-made island in scenic San Francisco Bay.

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

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

An essential stop before plundering, BYO Cutlass.

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

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

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

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

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

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

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

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

A Barbary Coast watering hole built into a Gold Rush shipwreck.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

Dolls of all shapes and sizes display the eras of femininity in this spooky and beautiful collection.

The celebrated eyesore created by starry-eyed sweethearts.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

An ancient ossuary in Rouen.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.