Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

This giant geoglyph of mysterious origins is now the site of neo-pagan rituals.

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

The set location for a 1987 cult classic draws international film buffs to the middle of the Mojave Desert.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

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

A once grand hotel is being retaken by the wilderness it once capitalized on.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Two massive rock outcroppings on the Oregon coastline.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A tunnel with windows, so you don't miss out on the impressive views.

This large pile of traveler-curated rocks by the dry lakebed is a longstanding tradition on the Old Mojave Road.

This unusual lava tube spouts seawater during high surf.

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

Why have you never heard of the second most popular tourist site in New York?

Megachurch turned Catholic church comprised of 10,000 glass panes.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

The blinking light atop the iconic landmark has been sending secret messages for decades.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.