Hopeless romantics will swoon over the sweet story behind this bright and colorful home.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

The first safe in this California town had to hold all the gold.

One of the largest trees of its kind in California.

The ghostly remains of an accidental sea.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

Shoot for par over the bodies of the dead on this cemetery-cum-golf course.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

New York City's smallest piece of private property.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

Quite simply the largest tree in the world (by volume).

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

A remote crossroads honoring a fallen talent.

A humble garage, world-famous for being the epicenter of a technology revolution.

From the Difference Engine to the Cray-1, all under one roof.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

This odd California folly seems like it was almost designed to accumulate urban legends.

The world’s largest concentrated solar plant generates as many problems as megawatts.