These unusual houses look like giant boats that washed ashore on a residential street.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

A stone pillar commemorates the surrender of the extraordinary Apache leader.

Stairs often replace streets on the steep slopes of this old mining town.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

The lobby of this hotel near the U.S.-Mexico border features a stained-glass mural that measures 42 feet long and 6 feet tall.

A clear blue swimming hole with hidden caves, still unexplored.

A small car graveyard sits in the shadow of the famous Cadillac Ranch.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A time-capsule monument reminding future generations of the importance of efficient and effective use of natural resources.

In Edwin Hubble's hometown, a scale model of the groundbreaking telescope that was named in his honor.