The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

A house turned museum is the real-life "home" of the fictional main character of The Wizard of Oz.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

An abandoned quicksilver mining town surrounded by the Big Bend parks.

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

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Legends surround this jagged rock formation in the New Mexico desert.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A museum dedicated to the alleged Roswell Incident.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

An homage to everyone's favorite prehistoric cartoon family.

The bad-ass ride of a soul legend, housed in one of the world's few soul museums.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

America's first federal monument.

A white oak with property rights.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

A Prada store in the West Texas desert that is never open for business.

Mysterious glowing orbs float through the desert night.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Three hundred years of preserved Spanish colonial history in San Antonio.

Tiki luxury on Nob Hill.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.