The third tallest lighthouse in America once guided author Stephen Crane to safety.

A building so large that it has its own weather.

An icon among Florida's pre-Disney tourist attractions, just west of Orlando.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

The only runway directly into the magic kingdom has been closed since 1972, but it still sings to you if you drive fast enough.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

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

Eons old volcanic activity created one of the most stunning rock formations in the United States.

A massive volcanic plug is now a protected area that hosts a number of bird species.

Come crisp December nights, this fairly plain neighborhood becomes a holiday dream world.

Hiding amid the largest camellia collection in the country lies a charming children's maze, donated by a secret admirer.

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

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

This memorial pyramid marker honors one of the United States Government's first official camel riders.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

This abandoned horse racing track was an exercise in hubris from its inception.

The unusual burial monument of Arizona's first governor.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

Modern technology and live displays tell the story of the Pacific during WWII for the Internet generation.