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

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

"Only the devil could play golf here."

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Marta Becket's hand-painted theater in the desert.

A working model of the entire San Francisco Bay and much of the Sacramento River Delta, complete with regular tides that change every 14 minutes.

New Orleans' famous cemetery, located on the site of a former race track.

The ruins of the castle that chemicals built.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

The capitol city's oldest existing cemetery.

San Francisco Bay's ghost town.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

One poet's handmade, anachronistic home.

It's not your typical library, memorial, or book store.

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A monument celebrating the idea of reaching inaccessible places.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

This blowhole is supposedly caused by a trapped monster.

This failed condo development was reborn as a street art hub.

A museum commemorating the Donora Smog, which killed 20 people in October 1948 and sparked national outrage over air pollution.

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

This church in Pittsburgh is home to the largest collection of religious relics in North America.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.