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

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Washington's iconic carousel has a nice piece of Civil Rights history.

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

The "lovely red Vega" of the legendary record-settling pilot.

The trials and tribulations of marking Poe's grave.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

The rogue roots are gradually consuming some of the historic marble grave markers.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

The controversial urban planner who designed Washington, D.C., was buried in Maryland, and can presently be found in Virginia.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

Deep scars on the earth left by the Ice Age.

These beautiful wineries were at the center of Lake Erie's "grape belt" back when the Midwest dominated American wine production.

This well-traveled chess park offers scenic views of the pacific and a colorful, eclectic clientele.

A second generation sun-powered marvel lights up the night.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

This historic New Orleans cemetery is the final resting place of members of the Independent Order of Odd Fellows.

Electrical pylon in the shape of Disney's beloved mouse.