A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

This traditional garden in the San Fernando Valley doubled for Star Fleet Academy, and is irrigated entirely by wastewater.

The first patented shaved-ice machine heralded a snowy wonderland of iced treats at a favorite New Orleans summer shack.

Where the Model T was made and the assembly line was invented.

The first memorial dedicated solely to the Black troops who fought for the Union.

A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

This robust fence in front of a historic Georgetown home is likely made from hundreds of recycled Revolutionary War firearms.

A haunting tribute to pioneering photographer Clover Adams.

A homage to the King at the hotel where he revived his career.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

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

Home of an evil witch famous within southern folklore.

This shop for all your super spy needs hides an educational secret.

Shop selling 500 flavors of soda has something for everyone.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

A "Titanic" superfan changed his name to Jack and set up this strange shrine to the blockbuster, complete with Korean food and Tarot readings.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

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

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

The world's longest known cave system.