A massive sea stack famous for its appearance in The Goonies.

100-year-old shipwreck you can walk up to at low tide.

The magic's in the hole!

NASA's leading space science lab started by a co-founder with deep ties to the occult.

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

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

Limestone caves with spectacular showcase chambers.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

The world's first commercial spaceport is a disappointment of cosmic proportions.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

A museum dedicated to the alleged Roswell Incident.

An homage to everyone's favorite prehistoric cartoon family.

See massive fossils that are over 200 million years old in northeastern Arizona.

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

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

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

America's only nuclear missile silo open to the public.

The world's largest military aircraft cemetery.

Giant telescope mirrors built in a spinning furnace under a college football stadium.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

A reproduction of earth's many biomes.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.