Faceless white figures loom over the city from the rooftop.

The only visible piece of San Francisco's most famous shipwreck.

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

Half of a house.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

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

In this century-old literary safehouse, print is alive and well.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

A cabinet of curious mathematical models and old calculators.

This quiet chapel was central to a community of settlers who reclaimed an abandoned fort.

Giant telescope mirrors built in a spinning furnace under a college football stadium.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

The oldest badlands in North America, Makoshika State Park takes it name from the Lakota words for broken land.

See the computer’s history revealed over the course of 20,000 years.

An entire town preserved as a historic landmark.

The oldest continuously-operating Chinese restaurant in the United States has been in business since 1911.

An impressive collection of farm equipment and other artifacts from life on the prairie.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

This sculpture gallery is home to magnificent beasts made of scrap metal and found objects.

Just a man taking his prehistoric pet for a stroll.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

This 100-foot tall bluff located in the western plains of Kansas overlooks a massive reservoir.