Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

The most popular attraction in Southern California was once a flock of ornery bipedal birds that pulled carts.

A peaceful international sculpture garden in upstate New York.

The cave where two British judges hid in exile after sentencing the king to death.

This kitschy tavern is also home to rare early editions of "Treasure Island."

A double agent hid information for the Soviet Union beneath this bridge for more than 20 years.

Natural rock water slides hidden in the remote forests of northern Idaho.

A century after his death, this covered bridge still calls to mind the plein air painter who loved it.

This Cold War siren is one off the last of its kind still standing with its immensely powerful original horn.

The last street in Pittsburgh that's paved with wood.

A remarkable time capsule of American manufacturing deep in Maryland coal country.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

Mysterious stone tower featured in many alternative histories of the New World.

The mysterious headstone of an unidentified bank robber was seen visited, every year, by a woman in black.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

St. Augustine's record-setting narrow street was designed to protect against pirates.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

A mapping error in the 19th century made loggers think this section of the forest was underwater.

A rugged lava field dotted with molds of the ancient pines that were growing when the volcano erupted.

A museum dedicated to man's boldest venture.

The small town of Poulsbo in Washington state is the next best thing to the Kingdom of Norway.

A fake mine that was made using real mining techniques which is also used as a community center.