America's oldest Italian restaurant is a San Francisco institution.

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

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

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

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

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

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.

One of the oldest adobe structures in Northern California.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

This redwood is a historic landmark, a town’s namesake, and the dancing sideline symbol of Stanford University.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

Guarded by the Angel of Grief, the Stanford family tomb attracts an odd mix of halloween revelry and somber contemplation.

An extra-wide chair built to accommodate the former president's big behind.

It looks like a whale, it's part of Yale, and it's best-known by a nickname you can probably work out for yourself.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

The headquarters of the famous Yale society.

A quirky assortment of musical marvels from around the world.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.