The final resting place of the Emperor of the United States and Protector of Mexico.

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

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

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

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

Guns that have been defending San Francisco since 1904.

A large instrument played by the wind.

These curious caverns have been home to mushrooms, gangsters, and disco.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.