From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

While he no longer has an eatery to give him context, this off-brand Paul Bunyan still holds his giant hot dog with pride.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

An overlooked memorial honoring the local Washington residents who died in World War I.

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

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

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

Decades before the scandal, this staircase on the river was a literal "water gate."

The site of the climactic scene from the classic horror film is now a historic landmark.

Nature's biggest mammal swims in landlocked Oklahoma.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Elevated freight railway turned wildly successful urban park.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Experience a charming 1930's version of "infotainment."

The drama of nature in full effect in this Nevada State Park.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.