The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

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

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

This historic hotel invented the chocolate brownie.

This restaurant proudly displays bread signed by the 39th president.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

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.

The only presidential monument to display a late POTUS's actual casket.

A dazzling display of lights and crystals.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

The 25th President's marble casket can be visited in this classical Ohio tomb.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

Faces carved into the cliffs create an otherworldly walking trail.

Considered by many to be one of the most dangerous highways in Alaska.

Visit a replica of the estate where Aaron Burr allegedly plotted a treasonous scheme against the United States.

The largest earthwork effigy in the world.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

One of the last few period-correct, hand-operated canal locks in the country.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

Rare recess caves fill this unbelievably beautiful Ohio park.

The mounds at this site were reconstructed with the help of archaeologists and historians.