Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

Giant granite rocks standing end-to-end like a train of circus elephants.

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

Erosion and time have created a naturally-formed water park.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

This mosaic-covered bar is brimming with curated curios.

Home of mutant livestock.

A public fountain that spouts "health water" from a nearby spring.

A giant Troll lurks under one of Seattle's oldest bridges.

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

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

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

Resting place of Hollywood's immortals is also site of summer film screenings.

This Oakland fairytale kingdom, fiercely devoted to childlike whimsy, was an early inspiration for Disneyland.

Seven ceramic sculptures are scattered around this California college campus.

This museum boasts the ninth-largest collection of insects in North America.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

The most beautiful Taco Bell in the world even has surfboard parking.

It took years to decode its mysterious messages.

Inside this museum, the history of the Walt Disney Family empire is on full display.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

San Francisco's newly reopened hands-on science museum.

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