An old drug store full of mortars and pestles, pill-making machines, and medicines reputed to cure most any illness.

This 5,300-year-old tomb with mysterious carvings crowns an Irish mountain.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

A sarcastic monument threatens to curse any "idiot" who dares remove it.

This hidden sculpture garden full of Wild West art is one of San Antonio's best-kept secrets.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

The shortest river in America flows for just 201 feet.

An underwater statue of Christ blesses the depths off Key Largo.

An oddly conical beacon perched atop beautiful Irish cliffs.

In California, colorful roadside signs remind us all that love transcends borders.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

This candy-striped tower is the farthest east you can go in the United States.

The tiny airport in remote Newfoundland that inspired a hit musical is also a modernist architectural gem.

The story behind the mysterious symbol painted in front of the historic university's famous Rotunda.

A hidden piece of Altoona's railroad history in a long-forgotten abandoned town.

The South's nickname was supposedly born at a former bank in New Orleans' French Quarter.

These imposing walls and towers look more like the ruins of a fortress than a monastery.

At this research institute, the chile is king.

Frank Lloyd Wright built this suburban synagogue late in life, but it stands among his most iconic masterpieces.

The facade of this relic from the Klondike gold rush is decorated with over 8,800 pieces of driftwood.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.