This L.A. fixture has been serving hot dogs out of a giant hot dog since 1946.

The warmest cave in the Ozarks features two seemingly bottomless lakes.

A difficult trail leads to interesting ruins in a remote canyon in the Toiyabe Range.

This natural sandstone bridge hasn't been seen since the 1960s when Lake Powell covered it—until now.

This magnificent natural sandstone bridge is one of the largest in the world and is an iconic symbol for Lake Powell.

This mesmerizing and surreal landscape features intricate patterns of white and red sandstone.

This lonesome Monterey cypress has survived centuries of wind, salt, and at least one attempt at arson.

One of the largest wildlife refuges in the contiguous 48 states, it was instrumental in preserving the pronghorn antelope from extinction.

Red rock "fangs" jut out of the desert near the Extraterrestrial Highway.

A late-19th century diversion canal built by hand crosses Bryce Canyon National Park and is still in use.

A collection of old shoes in the middle of nowhere.

Hundreds of painted rocks dazzle this small beach where adding your own is encouraged.

This site is home to ancient petroglyphs and pictographs dating back to 6,000 B.C.

See 150 million-year-old dinosaur tracks and bones dating back to the Jurassic period.

A former sanitarium where soldiers were sent to recover in the healing waters of hot springs.

This canyon is named for a unique geologic formation where the river vanishes underground near the mouth of the canyon and reappears farther down.

The site of an early Arthurian battle and the dwelling-place of prehistoric people and (possibly) an ancient race of giants.

Hidden away among the quiet streets of Beverly Hills, this small park is a haven for walkers and wildlife.

A unique collection of old miners' cave homes carved in to the hillside cliffs near Death Valley.

A 5,000-year-old city in Peru holds the remains of a stunning set of astronomically-aligned pyramids.

This steep-walled ravine contains animal-shaped formations made from sandstone.

This depiction of the earth mother welcomes new life into Aurora Highlands.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

At the western edge of Palm Springs, a rugged desert canyon trail leads to a waterfall at the base of the San Jacinto Mountains.