The Giant Lemon of Lemon Grove.

This glamorous old building is said to have inspired the Tower of Terror.

A building so large that it has its own weather.

Electrical pylon in the shape of Disney's beloved mouse.

Possibly the world’s easiest Easter-egg hunt.

Few other hotels can rival the grandeur of the Castle in the Rockies.

Hoodoos, naturally eroded land formations, stand 20 feet tall in the Canadian badlands.

As if T-rex wasn't big enough, this Canadian monument is four times larger than the real thing.

An automotive, farming machinery, and aviation museum located in Wetaskiwin, Alberta, Canada.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

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

San Diego's most historic and haunted home.

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

A world-class observatory in the California desert.

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

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

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

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

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

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.