Once an ancient sea, this landscape of rocky ravines is filled with the fossils of ancient marine life.

A reservation-only highland forest reserve of endangered Pinsapar firs stands above a village in Andalucía.

One of the few remaining indigenous petroglyph sites in Nevada.

The longest sea beach in the world can be found on the southern coast of Brazil.

The larger of two volcanic peaks rising out of the crystalline waters of the Caribbean.

These natural wonders have taken millennia to form into the stunning marvels they are today.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

Anne Rice, one of the most influential writers in gothic literature, is buried alongside her husband in a New Orleans cemetery.

A crack flared at the base provides a pathway completely through a sandstone ridge near Moab.

This hand-built lake system has become a haven for birds.

This area was created to save the region's koala population.

Drive up a paved road into "Nevada's Yosemite" for exquisite views and mountain hiking in an alpine setting.

This tiny garden was built specifically to provide a place of peace and serenity away from the busy city streets.

An interactive museum and restaurant devoted to a prestigious breed of cattle.

These narrow stone granaries have been used to store and dry out grain for hundreds of years.

A flat-topped butte that makes a constant backdrop for Western art.

A narrow, serpentine spit of sand is constantly eroded and rebuilt by competing currents.

Utopia and nostalgia mingle at the site of Bronson Alcott's ill-fated agrarian commune.

These tall, red sandstone pinnacles outside Moab are often forgotten amid their more famous neighbors.

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

Tracing a path of more than four miles around a frozen lake, this is the longest skate trail in the United States.

Plans for this peninsula included houses, the United Nations Headquarters, and a nuclear power plant. When none of them worked out, it became an expansive park.

A museum chronicling pioneer life constructed over Interstate 80.

See Hoover Dam and the bypass bridge from a perspective usually off-limits to the public, and float the upper part of the Black Canyon National Water Trail.