This incredible collection of vintage pinball machines can be played at 25 cents a pop.

A bizarre house filled with an astounding array of collections.

This hot dog-shaped diner has moved all around Colorado, never been to New York.

This 19th-century ranch is being transformed into a residential library with thousands of books about the natural world.

This fully restored synagogue explores the American Jewish experience along the old frontier.

An enthusiastically interactive mining museum that won't let black lung ruin the fun.

Abandoned silver mine strewn with wrecked and twisted structures.

The remnants of the base where US Army troops learned how to fight in extreme conditions.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

A historic estate packed with George Washington's heirlooms, and its own nuclear bunker.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

A historic neighborhood church is reborn as a psychedelic arts collective.

Home to items never before seen by the public.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

Setting this massive marionette aflame rids Santa Fe of doom and gloom for another year.

The clock that sets them all.

A research lab and hands-on museum where visitors can experiment with retro technology.

A museum of natural history, Edwin Carter's original log cabin home and workshop houses taxidermy specimens.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

The world's largest washing machine collection has more than 1,400 antique items in its exhibit.

Rather than a run-of-the-mill franchise hotel, this lodging has been decked out in dinosaur decor.