The unbelievably opulent home built for an infamous newspaperman.

This turn of the century masterpiece has a mysterious goaty interloper.

An extensive collection of ancient Egyptian artifacts and mummies.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

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

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

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.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

A spiritual vortex among the red rocks in Sedona.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

A historic freight system that found the true gold rush is in tourism.

This historic collection of Native Alaskan artifacts was resurrected through a partnership between the WPA and tribal artisans.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

The king of U.S. high points towers over every other peak on the continent.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

One person’s lost luggage is another person’s treasure.