A small "palace" and museum made of, and devoted entirely, to salt.

A tall smoke stack and boarded-up buildings are all that's left of the pioneering plant.

The tree is thought to be the oldest oak in Texas and was once crowned state champion for its monumental size.

A little stop along the Texas highway where Rock Hudson, Elizabeth Taylor, and James Dean stayed while shooting the 1955 film "Giant."

This historical air terminal in Houston is slowly becoming an aviation museum dedicated to the city's aeronautical history.

This collection of bronze hands comes from astronauts, presidents, baseball greats, and more.

255 feet of suds, scrubbers, and blow dryers.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

Fantastic collection celebrating the final send-off.

This rusting remnant of the local herring industry is being given a second life.

The summer tourists on these cliffs are thousands of seabirds.

Surrounded by ash fields in Iceland, an impossibly verdant valley looks like something out of a fairytale.

The largest whale museum in Europe allows visitors to walk among life-size giants.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

The most powerful waterfall in all of Europe.

A musical instrument played by the sea.

See the sky in a new way through this art installation.

Of course the grave of JFK's assassin is surrounded by conspiracy theories.

A 131-year-old wunderkammer of Texas history.

It specializes in outsider art and artifacts of secret societies.

A popular swimming hole that hides one of America's most deadly diving spots.

Seven flags adorn this Texas museum, one for each of the powers that have ruled the area.

The 19th-century ruins hide deep in an overgrown forest.