A boat ride through utter darkness, lit only by headlamps, reveals an emerald green pool locals believe is sacred.

This vintage "streetcar boat" lay at the bottom of Lake Minnetonka until the 1980s.

The world's longest known cave system.

The simple log cabin of a famed loner and naturalist stands preserved as a symbol of the ultimate DIY lifestyle.

The king of U.S. high points towers over every other peak on the continent.

Stroll through a wonderland of stupendous moss-covered trees.

The illuminated falls are a gem in North Cascades National Park.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

No Gordon Lightfoot song, only a barebones monument to greed.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Four hundred granite steps were built into this massive rock by the National Park Service.

Metro station with a claim to rock n' roll fame.

While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

An old train trestle re-imagined as an Egyptian obelisk.

A terrific purveyor of natural history objects and curios.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

An underground magnet for ever-changing street art.

A handful of beehive kilns are all that’s left of a historic brick-making empire.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

A combination of Peshwa and British Gothic Revival architecture.

The Lowcountry color with the power to stop evil from entering a home.

The record holder for the world’s largest peach.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.