There's a crumbling old mansion inside the Smithsonian National Zoo.

New Jersey's last historic covered bridge was rebuilt from pieces of the original 19th-century structure.

An oddities shop that dabbles in the deathly and beautiful.

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

A statue honoring 44 continuous years of greeting passing ships.

Yup, that's a 330-foot yacht passing over the highway.

Despite its name, this route in southern Utah offers a heavenly day trip.

This sanguine boulevard was named after a deadly cowboy bar fight.

The atmospheric road was never meant to be so creepy.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

The photographs of "fairies" that fooled much of the world (including the creator of Sherlock Homes) were taken at this English stream.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

An impressive collection is dedicated to the legendary beast.

The island residents are known for taking their quirky sense of humor with them to the grave.

In a city crazy for seashells this museum educates and amazes visitors using the wonder of cast-off exoskeletons.

Visit these gentle, bell-bottomed, exquisite equines at the home of North America's first Gypsy Vanner horses.

The bartenders at this crime-fighting theme cafe are actual private detectives by day.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

It would take 35 firetrucks to fill this enormous glacial pothole.