At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

This diner serves Route 66 nostalgia and what it claims is the 'original' hot dog on a stick.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The most decorated dog of World War I is preserved in the Smithsonian.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

Home to items never before seen by the public.

A vibrant arts enclave in stunning red rock scenery.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

The fifth-longest natural arch in the world, and the longest outside China.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The 10th-tallest pyramid in the world, this former sports arena is now home to a massive Bass Pro Shops store.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

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

This maze-like, oceanfront gift shop—the nation’s largest— has been serving kitsch to the Myrtle Beach community for over 80 years.

If Myrtle Beach is the mini golf capital of the world, this is its crowning glory.

During its heyday, 72 one-ton buckets from this dredge bore into the Powder River excavating vast gold deposits.

In the high desert east of Bend, the University of Oregon maintains a research observatory on a remote mountain peak.

Make it an offering.

Bridges, terraces, and replicas of historic structures all built of rock and petrified wood by one man.

The world's last remaining store of its kind.

This charmingly homemade amusement park has been growing for 40 years.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.