The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

Meet manatees face-to-face at this zoo for native species.

This kitsch eatery is chock-a-block with bric-a-brac.

A man's home is his castle.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

Bad farming practices caused this unnatural natural wonder.

Even Henry David Thoreau found this glacial pothole irresistible.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

When ecosystems collide in the arid Southwest.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

See massive fossils that are over 200 million years old in northeastern Arizona.