The oldest standing structure in downtown San Diego.

One man's quest for the ultimate road trip vehicle.

This San Diego museum, housed in a former Navy training facility, is dedicated to preserving women’s historic achievements.

The schoolhouse where Jesse Merwin, the inspiration for the "The Legend of Sleepy Hollow" character, once taught.

At this farm in upstate New York, the former president plotted his reelection campaign.

"A hideous albatross in the Hudson River Valley."

This once-private estate is now a dreamy, meditative garden that's open to the public.

Stay at this storybook estate, featuring Sir Henry Hudson Kitson's masterpiece "Gingerbread House."

This last stalwart of the now-forgotten feminist restaurant movement has been serving food in an activist atmosphere since 1977.

These Benedictine nuns have been making artisanal cheeses since before it was cool.

Who knew the Devil's domain was a hot spot for tubing?

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

This opera house along the banks of the Connecticut River has two Tony Awards to its credit but it’s never staged a single opera.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

The cave where two British judges hid in exile after sentencing the king to death.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

Springtime is go time for this repurposed shack and the fish it venerates.

A small museum packed with specimens from important fossil sites and minerals from historical pegmatite quarries.

The "possessed" house that inspired "The Haunting in Connecticut" book and movie.

This historic park site contains the last remnants of a once bustling canal system.

Hidden behind a Target are pillows of cooled lava that formed at the bottom of a deep lake in the Mesozoic Era.

This petite park lets visitors see and touch examples of fossilized dinosaur tracks.

The gravestone of an eccentric Connecticut doctor features dinosaur tracks and a pair of fossil tree casts.

Built following the War of 1812, this fort has withstood hurricanes for centuries.