The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Home to some of the oldest hominid fossils ever found.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

One of the largest trees of its kind in California.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

A 19th-century perch for spotting sailing ships now boasts one of the most iconic views in the Southern Hemisphere.

These Australian rock formations look like Martian beehives that have grown up out of the landscape.

Relics of Australia's convict past, and a modern scene of unimaginable horror.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

This gracefully curving formation looks like a massive wave that was suddenly turned to stone.

The remnants of a 1970 plane crash remain high in the Rocky Mountains.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

Three columns of volcanic rock shoot out of the ocean.

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

This natural rock formation features seemingly unnatural vertical ridges that have been blamed on elves.

A sulfuric martian landscape that looks far better than it smells.