Touch an actual dinosaur bone at this eclectic trove of Rocky Mountain treasures.

"Polynesia on the Plains."

These giant metal horses graze on a hilltop near the Montana highway.

A collection of huge, site-specific sculptures sitting in the Montana woods.

One man's ambition created this psychedelic log home.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

A museum of unusual collections, mini-towns, and a half-dog, half-alligator.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

An Escher-inspired library dedicated to the wonders of the human mind, yet closed to the public.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

A beautiful 62-acre Catholic shrine and botanical garden.

Less a museum than a bizarre fantasy world created by artists and engineers.

The magic's in the hole!

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

America's most famous piece of self-built architecture.

The site of the first "historically true" UFO encounter in the U.S.

A UFO scrapyard in the California desert.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

This Dutch-styled residential building was originally a cocoa company's World's Fair showpiece.

Astounding collection of coin-operated games and automata.