This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

The remains of a royal fish pond are now a brackish-water wildlife sanctuary

Originally a mission, what may be the oldest building on Maui is now a museum of the island’s history.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

A public art installation featuring clawfoot bathtubs on stilts sparks admiration and controversy from locals.

A tribute to one man's legacy of improving the accordion's reputation.

Nursery with extensive collection of flesh-eating plants operated by the author of "The Savage Garden."

Home to an apple tree that can produce 25 different varieties of fruit.

Monumental sculptures of Patrick Amiot, constructed from debris, detritus, and determination.

340 bicycles, 65 feet high.

The famous blue house from the classic horror film "Halloween" is now a local landmark.

Perhaps the most unique of any Frank Gehry design for one simple reason: Gehry himself actually lives here.

On a quiet suburban street stands a peculiarly decorated house covered in mosaics.

A free library to stumble across, one of many placed worldwide if you know where to look.

These WWII-era murals were initially booed as a libelous portrayal of the American dream but have survived multiple attempts to have them destroyed.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

A modern frieze of ancient Grecian mythological figures playing a national pastime.

The original place where water met land in the City by the Bay is outlined in brass.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

The White House Situation Room was taken apart in 2006 and shipped to the Ronald Reagan Presidential Library.

Drink a Guinness under the wings of Reagan's retired Air Force One in his presidential library.

The Los Angeles flood disaster that took 400 lives and ended the career of William Mulholland.

An outdoor display of military missiles developed at Point Mugu Naval Base.