Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

Take a drunken tour inside the world's largest known geode.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Private collection of art inspired by cabinets of curiosity.

An underwater city for the dead.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

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

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

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

Olfactory delights in San Francisco's Botanical Gardens.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

A museum dedicated to the history and exploration of both popular music and science fiction.

A beautiful 62-acre Catholic shrine and botanical garden.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

A beautiful geyser under environmental threat.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

The first declared National Monument in the United States.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Continuing the tradition of the dime museum in style.

Towering basalt columns, a creation of fire and ice.

Stroll through a wonderland of stupendous moss-covered trees.