This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

This rare tortoise skeleton has been hanging around the downtown Los Angeles museum for over a century.

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 American Home, Re-imagined.

The simple auditorium that launched a pop icon's career into the stratosphere.

A futuristic-looking beach house built for the owner of a snack food brand.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

Eighty million natural history specimens call this gargantuan museum home.

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

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Watch the newest land on the planet form before your eyes.

The Giant Lemon of Lemon Grove.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A commemoration of over 150 of St. Louis's favorite sons and daughters.

Where the author wrote her beloved "Little House" books.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

This recently restored timepiece has stood all around Kansas City.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

The iconic remains of the original Academic Hall that burned down in 1892.

A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.