For decades, it has disappeared and reappeared as water levels rise and fall.

The site of America's first commercial oil well essentially disappeared after the town went bust.

A quirky collection of outsider art made from automobile parts.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

The site where nine miners were trapped underground for over 77 hours in 2002.

Enormous crabs, bioluminescent jellies, and other amazing creatures from the ocean’s depths—some of which are in an aquarium for the first time ever.

This early pioneer landmark is one of the oldest buildings in this part of Kansas and one of the few Dutch mills ever built in the state.

This bee-themed family business does more with honey than anyone would think was possible.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

This Old Town cabin tells the story of Tacoma's settlement through a replica of its first non-Native building.

A wonderful museum on the site of the historic Black Bear Mine on the back of Red Mountain.

El Paso's only historic house museum is an adobe mansion built by a prominent multicultural borderlands family.

The train collection of an eccentric New England seafood mogul is now a National Historical Site.

The oldest farmer's market in America is so ancient it was approved by the King of England.

This rusted car found in Petrified Forest National Park's Route 66 exhibit may be the most photographed abandoned car in the country.

A former Army airfield is home to one of the largest aviation museums in America.

The highest peak in Utah is the hardest to reach, but only if explorers choose the hard way.

This rural museum highlights Wyoming's era of trapping and fur trades, and hosts the annual Green River Rendezvous in July.

Ride on a fully-restored Nike nuclear-tipped missile elevator from the Cold War.

A gathering of green robots at the Googleplex.

Stand at the point where the two mightiest rivers in the United States converge.

The source of America's longest river is also a historical landmark and the start of a famous nude run.

At 11,500 feet in elevation, there is no toilet in the state closer to the sky than this one.

This remote river crossing was a popular campground on American westward expansion trails, and a former Pony Express station.