Hidden on the seventh floor of a historic building, this Cajun spot features wall-to-wall bottles of hot sauce.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

Purdue students would lean over this iron fence to skirt campus rules against smoking and courting.

Historians and hobbyists head to this former French outpost for the annual Feast of the Hunters' Moon.

One of Chicago's last seafood smokehouses perfects a dying breed of fishcraft.

A mountain of conch shells created by centuries of fishermen.

This national park dedicated to the tallgrass prairie ecosystem still displays its military past.

A theater sits abandoned on Roosevelt Road, once majestic in splendor, now majestic in decay.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

The largest earthwork effigy in the world.

A real flying saucer, contracted by the U.S. Air Force.

Rare recess caves fill this unbelievably beautiful Ohio park.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

This giant temperature attraction created some giant electric bills.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

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

Quite simply the largest tree in the world (by volume).

San Francisco's newly reopened hands-on science museum.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Uninhabited islet in the Caribbean is the sanctuary of giant lizards.

This huge pile of volcanic boulders hides a stunning network of secret grottoes.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.