An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

The world's longest known cave system.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

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

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

Paths are maintained, but trees have taken over plots.

A stack of stones steeped in Irish folklore, much like the hero they're connected to, hide in plain sight.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

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

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

This museum is a full-size replica of an original church constructed during the 13th-century.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

A fascinating aviation museum where you can chat with the veterans who once flew the aircraft on display.

A real (but thankfully not live) missile stands tall as a monument to the United States military in the small town of Cordele.

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

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

World's largest college campus includes a wildlife sanctuary and a former movie set on more than 28,000 acres.

A museum and doll store featuring a surreal and super sanitized version of where babies come from.

An abandoned railroad tunnel forgotten by time awaits inquisitive hikers.