A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

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

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

The oldest surviving botanic garden in the United States.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Quite simply the largest tree in the world (by volume).

Olfactory delights in San Francisco's Botanical Gardens.

Towering basalt columns, a creation of fire and ice.

A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

The ghostly remains of an accidental sea.

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

A one-of-a-kind collection of a unique medium.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

One man's homage to the sun continues to grow like a glass fractal.

Resting place of Hollywood's immortals is also site of summer film screenings.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A 140-year-old castle with underground caves hidden in San Francisco.