Washington's iconic carousel has a nice piece of Civil Rights history.

The oldest continuously operating fish market in the United States.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

Home to items never before seen by the public.

The U.S. Navy’s preposterously detailed mini battleship took 77,000 hours to complete.

An original apothecary from 1792.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

The "Seinfeld" diner.

A museum celebrating the self-taught artist-environment builder.

One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.

This old abandoned sign flickers to announce a motel that isn't even there.

Minimalist modern art on a repurposed military base in rural Texas.

A Prada store in the West Texas desert that is never open for business.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

Recycling meets art in this colorful barricade.

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

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

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

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.

"I did this all while you were watching TV."

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

A museum dedicated to the alleged Roswell Incident.