One of the last functioning antique elevators in Chicago.

These mansions date back to Chicago's days as a brewer's paradise.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

A Bibliophile's Dream.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

The hidden jewel of Disneyland: a members only playground for the Disney elite.

The miraculous hydrant that saved the Mission District in 1906.

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

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

The beautiful 1920 Pantages Theatre remains hidden just underneath the LA Downtown Jewelry Exchange.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

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

The restored and active Victorian-era final resting place of San Francisco.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

A multimedia experience that chronicles the atrocities of racism.

A 300-ship graveyard, with a few still visible at low tide.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.