A hidden gem, named after a San Franciscan icon, offers spectacular views of the Pacific Ocean.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

The man who voiced Bugs Bunny, Daffy Duck, Porky Pig, and more has a headstone reading, "That's all, folks!"

This lighthouse has been guiding shipping into the Golden Gate since before the American Civil War.

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

This 18-foot-tall public art installation is another of sculptor Thomas Dambo's trolls.

This gold-winged spire celebrates the first true flight around the world.

Historic site where Native American hunters once trapped and killed buffalo.

A bike being "eaten" by a tree is the real Vashon legend behind popular children's book, "Red Ranger Came Calling."

Walking by this fence is like strolling along a portal to various fictional worlds.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

One of the oldest cemeteries in Vermont is the final resting place of soldiers, politicians, and a famous author.

What's that on the side of that building? Va Va Voom, it's Bettie!

This music school doubles as a store for unique, hand-crafted, and hard-to-find instruments.

Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

The world's longest known cave system.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Most-visited and most-photographed slot canyon in the American Southwest.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The only road through the heart of Glacier National Park.

A true roadside icon standing on the same plains that the herds once roamed.

A moving memorial to the fallen and missing from WWI trenches.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.