Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

One of the most unusual geological features, recognizable from a dozen hit movies.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

The forest that inspired Winnie-the-Pooh's Hundred Acre Wood can be found outside London.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

A B-17 bomber stands as a memorial to the residents of Tulare County who served in World War II.