A bronze replica of half-consumed salt lick honors a quirky town tradition.

A public fountain that spouts "health water" from a nearby spring.

All aboard the world's longest miniature railway.

The largest wooden building in the world now houses a fascinating collection of aircraft.

Home of Howard Hughes' Spruce Goose.

An institution that preserves the history of institutionalization.

Treehouse motel and treehouse-building school.

The seamy, underground secrets of Portland's criminal past.

Hollowed out cedar log tubs set in an ancient towering forest.

On the Oregon coast there is a natural hole that seems to be draining the sea.

An Idaho legend carved out a cave village with his own two hands.

See just what life was like in a 19th-century prospecting town.

This amazingly preserved Gold Rush town is a historian's dream.

A rapidly disappearing glacier filled with extinct grasshoppers, perfectly preserved in the ice.

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

A petroglyph map of the upper Snake River carved by prehistoric hunter-gatherers.

Birdhouses, peacocks, animal sculptures, and a graveyard are all found along this eclectic nature trail.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

An overgrown collection of miniature buildings still stand as evidence of one couple's obsession with The King.

A busy cafe better known for board games than food.