The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

The world's longest known cave system.

A display of magnificent stained glass windows is the first exhibit of its kind.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

A prehistoric landscape hidden in the cliffs of Maha'ulepu.

This swanky speakeasy is Denver’s oldest bar—and hasn’t changed a bit since 1933.

The world’s oldest active sailing ship.

This vast and otherworldly landscape is one of the largest dune complexes in North America.

An eerie natural formation that looks right back at you.

Sports history, made in the Arroyo Seco.

The second-largest giant sequoia in the world.

This conservation area is also home to many of the region's desert tortoises.

Southern California’s Theme Park Beginnings.

Semi-recognized center of the world, with many oddities.

Quite simply the largest tree in the world (by volume).

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

This open-pit mine is now an abandoned symbol of Bisbee's copper-mining heritage.

Take a monster truck tour around an ostrich farm in the middle of the desert.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

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

America's most famous piece of self-built architecture.

Grab a latte at the birthplace of modern American skateboarding.

Try the frozen treat that inspired Arrested Development's famous banana stand.

An eatery within a Bay Area Buddhist temple pulls off all your favorite Vietnamese classics without the meat.