The house where John Wilkes Booth conspired with his co-conspirators.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

The most decorated dog of World War I is preserved in the Smithsonian.

A super-sized promotional trick that is now a D.C. landmark.

The country's oldest continually-operated mini golf course lies hidden in plain sight, eclipsed by one of D.C.'s most popular tourist attractions.

Pennsylvania's own Roswell-style UFO mystery.

World's first "penitentiary," meant to be humane, drove men insane.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

Victorian "Fancy Craft" Hair Wreaths and Relics.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

See six states, pickled freaks, rocks, and antiques.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

A strange house built only at night, with rumored mystic inspiration.

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

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

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

This underfoot portrait is the work of a disgruntled painter inspired by a tragic poem.

The clock that sets them all.

The remains of the dam that unleashed a 15-foot wall of water on Denver.