This small park features a monumental fountain wall, providing a great photo opportunity in the middle of Houston.

Beer lover's can-covered house.

The peaceful space is adorned by paintings by the famed abstract artist Mark Rothko.

A 90-year-old underground water reservoir offers a more industrial kind of tranquility.

A park filled with vibrant mosaics created by more than 300 folk artists.

The unusual patterns in this rock formation result from two distinct modes of weathering.

A tunnel with windows, so you don't miss out on the impressive views.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.