This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

A starship has landed in Texas, a welcome break for weary travelers from a drab stretch of I-35.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

A modernist landscape of water and sci-fi concrete.

Official museum, hall of fame, and repository of the Texas Rangers.

A museum dedicated to exhibiting remarkable outsider art.

An emerald-green grotto just a short trip from Austin.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

This soda factory is one of the last in America to use real cane sugar despite the protestations of Dr Pepper.

This popular pilgrimage site offers a hole filled with holy healing dirt.

A sprawling collection of over 106,000 toys from around the world.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.