Centuries of biking history are nestled in the shadow of the birthplace of contemporary mountain biking.

An unassuming island in the middle of the Hudson that hosts campers, including Aleister Crowley.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

This memorial pyramid marker honors one of the United States Government's first official camel riders.

Remember that scene in the Matrix, when Neo is in the big white room with all the weapons flying by? Well, this is what it would look like if he had wanted trees instead of guns.

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

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.

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

One of the largest trees of its kind in California.

Lucha Libre (Mexican Wrestling) themed taco shop.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

A small oasis not far from downtown Moab.

The fifth-longest natural arch in the world, and the longest outside China.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

This Pringle-shaped ledge makes for the perfect photo op.

The overgrown ruins of a once thriving World War I-era copper mine.

Home to a timed geyser created by complete accident.

This historic national park is covered in the stunning ruins of red rock pueblos.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

The shop's owner has spent decades in the desert wearing nothing but a strategically placed sock.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.