In 1952, this restaurant began selling the Colonel's “secret” recipe.

This former coal gasification plant found a curious second life as a popular public park.

An absolutely beautiful 200-foot stained glass installation traces the evolution of knowledge.

The oldest of the three remaining bridges in England with buildings on top of them.

This remote fort on the Yukon River is a vestige of the wild Alaska gold rush.

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 extensive collection of an amateur naturalist.

Jurassic Park—A Still Life.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

This monolithic statue was erected in honor of Chief Black Hawk (even if it wasn't made to look like him).

A geological mystery on Camelback Mountain.

An homage to everyone's favorite prehistoric cartoon family.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

A Wild West jailhouse that slid down the mountainside.

A spiritual vortex among the red rocks in Sedona.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

Dramatic river bend surrounds a natural red-rocked pedestal.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

Largest collection of mounted dinosaur specimens in the world.