This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

A man's home is his castle.

A bizarre roadside attraction and the first instance of miniature golf in the world.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world’s largest coastal brick fortresses.

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

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

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

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

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

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

An artsy hidden staircase leads to breathtaking views of San Francisco.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

An artificial crater field that trained astronauts for lunar exploration.

Limestone caves with spectacular showcase chambers.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

This historic national park is covered in the stunning ruins of red rock pueblos.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A reproduction of earth's many biomes.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Rippling sand dunes frozen in the Arizona rock.

Most-visited and most-photographed slot canyon in the American Southwest.

A sharp bend in a dramatic river canyon cut through red rocks.