The only house in Oregon designed by the famous architect, Frank Lloyd Wright.

The wooden airship was the largest flying boat ever built.

Home of Howard Hughes' Spruce Goose.

A haven for wildlife amid the farmlands and development of the Willamette River Valley.

Contractors in this Oregon town have been stamping their names in sidewalks since 1908.

This coastal rock formation resembles a churning cauldron at high tide.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

Tacoma’s 25-foot coffee pot music spot has served up over 80 years of concrete kitsch.

Sniff the Titan Arum's rotting flesh.

These petroglyphs created by ancient Arizonians have withstood centuries of exposure to the elements.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

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

A tourist attraction founded around a slumping cabin.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

This theatre and its amazing marquee harken back to the Golden Age of Hollywood.

An underground city of salt.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

The wreckage of a tragic plane crash is on display at this museum devoted to a famous Italian conspiracy.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

This zoological museum began as the first great curiosity cabinet.