The key to turning shifting dunes into the green oasis of Golden Gate Park.

The first AIDS memorial chapel in San Francisco and one of only a few in the U.S.

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

This turn of the century masterpiece has a mysterious goaty interloper.

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

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

A hidden subterranean installation offers a view of the sky.

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

A collection of 20th-century automata, penny arcade games, and musical contraptions.

A psychedelic labyrinth on the San Francisco bay.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

The only theatre in the world constructed specifically for sound movement.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

A hot dog stand where the heads are just as hot as the dogs.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The final resting place of New Orleans' most famous voodoo priestess.

A snapshot of the city's fascinating voodoo culture.

At 207 feet, one of the world's longest continuous escalators.

One man's homage to the orange as realized through a long-term folk art labor of love.

One of Ireland's most infamous prisons for rebels including men, women and children.

The record holder for the world’s largest peach.

One Confederate statue that accurately reflects the ugliness of its subject.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

One person’s lost luggage is another person’s treasure.