CERN's beautiful, bending sculpture is a tribute to the spread of knowledge.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A fitting attraction for the corn capital of the world.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

This 19th-century building inadvertently preserved the handprints of its builders within its walls.

A monument celebrating the idea of reaching inaccessible places.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

Golden Gate Park's historic collection of plants.

Go deep on these fascinating fish, and get a bonus lesson on the importance of marine conservation.

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

An amazing collection of scale model ships.

A unique geological area spiked with wind-carved rocks that resemble teepees.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Drift through decades of high desert music history at this funky hometown museum.

See 150 million-year-old dinosaur tracks and bones dating back to the Jurassic period.

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

Millions of years of erosion created the feature for which this rock formation is aptly named.

The largest and most well-preserved petroglyph site in the Verde Valley.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.