A monument celebrating the idea of reaching inaccessible places.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

Legend says one of the world's largest marine geysers is actually a whale that got wedged within the rocks.

This seaside production studio was built to film 'Titanic' and has been the wet set of choice for other Hollywood productions since.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

One of the largest trees of its kind in California.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

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

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

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

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

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

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

A former major munitions plant that has been converted into a sprawling art space.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The former home of the man whose radical ideas changed the nation.

The well-preserved remnants of a bridge that once made up a WW1-era military railroad.

This claimant to the title of "smallest church in the 48 states" doubles as an equally tiny, quasi-post office.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

This sprawling farm was once a Cold War-era hideaway for the nation's top diplomats.

Buffalo's abandoned concrete grain elevators are getting a second life.

The seat of Buffalo government is a gorgeous Art Deco palace.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.