On the shores of Lake Garda, the ruins of a Roman villa that allegedly belonged to the poet Catullus.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

A military museum, art park, mausoleum, and architectural oddity all on one fascist's estate.

This winding road through an Italian canyon may be the most scenic drive in the world.

Dramatic river bend surrounds a natural red-rocked pedestal.

Stairs often replace streets on the steep slopes of this old mining town.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

A reproduction of earth's many biomes.

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

Limestone caves with spectacular showcase chambers.

Bell tower juts out from a village buried under a lake.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

This abandoned motel doesn't welcome guests anymore, but decay and a creepy atmosphere still call it home.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

This unique sanctuary invites you to interact with the beautiful birds.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

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

Happy harbor seals frolic and snooze on this warm, sandy stretch of coast.

It's not your typical library, memorial, or book store.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

Haunting and beautiful trees, doomed to die.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

Oldest building in California still in use.

An extraordinary final resting place full of oversized art, amazing statues, and dead celebrities.