The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The first declared National Monument in the United States.

A beautiful Victorian-era cemetery, complete with a miniature village.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

This unusual rock formation looks like an apple that has been neatly sliced in half.

This great stone guardian of the forest is a relic from the land's volatile volcanic past.

This tumultuous Icelandic lava field looks so alien European researchers want to use it as a stand-in for Mars.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

An eccentric inventor's castle home with its own indoor weather system.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

This collection of unique liquids allows visitors to wander the waters of Iceland's glaciers.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

This tiny movie theater was the last one in the U.S. constructed in the Nuevo Deco architectural style.

This isolated Japanese mountain village untouched by time showcases unique and stunning traditional architecture.

10,000 flowered plants bloom in the City of Roses.

America's most famous piece of self-built architecture.

The ornate miniature mansions were built for Istanbul's feathered residents.

A terrific purveyor of natural history objects and curios.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

This magnificent stepwell is designed as an inverted temple and adorned with 1,500 sculptures.