Floating man-made island and upscale restaurant.

Tiki luxury on Nob Hill.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

The famous aviator's final resting place is a study in natural beauty.

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

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

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

Stairs often replace streets on the steep slopes of this old mining town.

This Old West hotel, the longest in continuous operation in the state of Arizona, is claimed to be haunted.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

A reproduction of earth's many biomes.

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

These free-roaming horses were once destined to disappear from the land.

Every Christmas, one Arizona city makes the most of its dry climate by creating an arid desert tannenbaum.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.