Massive prehistoric mammals used these stones as oversized scratching posts.

Monumental sculptures of Patrick Amiot, constructed from debris, detritus, and determination.

340 bicycles, 65 feet high.

Bits and pieces from the ill-fated Donner Party's winter cabins.

Curiously, this large sporting goods store features 14 wax representations of American presidents.

Bill Murray bowled three straight strikes here at Reno's "Taj Mahal of Tenpins."

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

A psychedelic labyrinth on the San Francisco bay.

Its buzzing collection honors vibrator history.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

World-famous, Pink's still manages to keep its prized cult fetish status.

World's largest collection of serial killer artwork and other macabre exhibits.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A hand-built folk art installation covered with messages of God's love.

Erroneously called the world's tallest flagpole, this landmark is devoted to "good neighborliness."

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

An increasingly eccentric apartment building, topped with winged beasties.

Apartment building was once posh playground to the Hollywood elite.

Version of the French Riviera destroyed by the sea.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

A popular winter vacation destination for migrating monarch butterflies.

Burping, gurgling geothermal mud pots by the Salton Sea.