The eroded core of an ancient volcano is now accessible by a short hike.

This bizarre hotel on historic Route 66 has been plagued by rumors of paranormal activity.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

Like a kitschy mirage in the Mojave, this eatery serves up classic 50s-style diner meals and a dinosaur sculpture garden.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

One man's love for East Coast diner culture brought an entire eatery all the way from New Jersey to Colorado.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

These two K-9 memorials commemorate the sister cities of Edinburgh and San Diego.

At this local mall, visitors are ushered through a 1940s jail exhibit.

This historic Chinese church was relocated and revived as a museum that preserves and celebrates Chinese art, history, and culture.

The oldest standing structure in downtown San Diego.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

A magnificent, reportedly haunted mansion built for a composer by Spiritualists.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Every weekend, people gather here for a brief chance to see their loved ones on the other side of the United States–Mexico border.

Tijuana's legendary jai alai or "basque ball" palace is now a massive music venue.

The American rainmaker and a burst dam.

The Giant Lemon of Lemon Grove.