A world-class observatory in the California desert.

The Giant Lemon of Lemon Grove.

San Diego's most historic and haunted home.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The magic's in the hole!

These once-beautiful historic graveyards are set against the barren Virginia City hills.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

Quite simply the largest tree in the world (by volume).

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

An extravagant western hotel where every floor is the "ground floor."

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

The Ozarks' strangest dwelling.

A battle between nature and architecture in the Cambodian jungle.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

Giant pagoda houses the car that drove Thích Quảng Đức to his death by self-immolation.

An extravagant monument to an extravagantly unpopular Emperor.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

The drama of nature in full effect in this Nevada State Park.

A sharp bend in a dramatic river canyon cut through red rocks.

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