A landmark for a trailblazer for female architects and the designer of one of the most famous and opulent buildings in California.

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

A haunting exhibit in a wildlife refuge center highlights threatened species and the conservation efforts needed to save them.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

A towering cemetery monument honors a man who threatened to expose the Freemasons and paid with his life.

This pub has roots dating back to 1430.

A professional special effects makeup artist’s collection of horror creatures and one-of-a-kind recreations on display in downtown Boulder City.

This harrowing climb along West Virginia's jagged spires is one of the only Via Ferrata on America's east coast.

A scenic UNESCO site that doubles as a habitat for various forms of wildlife.

A mosaic map made of over 100,000 tiles depicts the geological features and sea creatures that live along this San Diego beachside community.

The artwork that Italians felt California didn't deserve.

A collection of old shoes in the middle of nowhere.

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

Archaeologists believe this panel of petroglyphs depicting descending sheep and other figures in Glen Canyon are 3,000 to 6,000 years old.

The walls of the statehouse tell the story of Ohio’s prehistoric past.

This large collection of tiny things revels in the art of fine machinery well made.

This tree has witnessed nearly 1,000 years of history.

The highest waterfall between the Rockies and the Appalachian Mountains.

This crumbling stump is all that remains of what was once thought to be the oldest living organism.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

The longest living non-clonal organisms on Earth.

A futuristic-looking beach house built for the owner of a snack food brand.

This museum in San Francisco's Chinatown is one of the oldest and largest archives of Chinese American history and culture.

This jagged colossus of a building is mostly held together by an enormous concrete exoskeleton.