The road plays 30 seconds of the Marine’s Hymn when driving over the grooved pavement.

The "Grand Canyon of Southwestern Idaho" makes a spectacular gash across the flat Snake River plain.

No children ride down this antique concrete slide.

This remote Scottish cave has been a site of Christian pilgrimage for many centuries.

This 35-foot-tall hamburger-toting chef is said to be the largest bobblehead in the world.

The location of the site of one of the defining battles of feudal Japan is being fought over by two neighboring cities.

The walls, tables and much of the ceiling in this pizzeria are covered with $40,000 in one dollar bills.

A fascinating and comprehensive look at the evolution of medical practice in the Sacramento Valley since the mid-1800s.

A memorial dedicated to the Tejano superstar Selena Quintanilla-Pérez.

Named for a self-taught botanist who cataloged hundreds of native plants, this garden continues her work of preserving California plant life.

Traditional, pre-Hispanic food is served alongside classic favorites in this family-owned Mexican restaurant.

This museum honors the farming past of the “Salad Bowl of the World.”

Where three rails and three centuries of transportation meet.

An Oklahoma museum that celebrates the history of the "Mother Road."

An American industrialist hoped this nature preserve could help save the North American bison.

Look no further than this local institution for the best East Texas–style barbecue.

This high-desert oasis spotlights some of Colorado’s most sacred native plants.

The last remaining location of a drive-up hot dog stand named after a local pool shark.

Europe's largest river aquarium features freshwater species from around the world.

At certain times in the fall and winter, the sunlight makes this natural sandstone arch glow.

This restaurant is devoted to celebrating Appalachia's cuisine.

In suburban Maryland, a tree grown from seed flown to the moon stands almost forgotten.

At Houston’s longest-running restaurant, find a classic oyster stew beloved by a former U.S. President.

Explore a wealth of fossils in one of the most prolific dig sites in North America.