The miraculous hydrant that saved the Mission District in 1906.

An essential stop before plundering, BYO Cutlass.

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

Sitting atop San Francisco's tallest hill, a cross honors the victims of the Armenian genocide.

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

An enormous image of Utah's salt flats made entirely from tape.

Visitors to this library are in for a real-world education in modernist architecture.

Pyramid home to an obscure religious group that practices modern mummification.

Incredible sculptures inspired by obscure passages from the Bible.

Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

Golden Gate Park's historic collection of plants.

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

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

A promotional sun clock on the site of San Francisco's great raceway.