One of the last Depression-era bandshells still standing was the site of Elvis Presley’s first live concert.

The oldest continuously operating fish market in the United States.

You can find America's highest suspension footbridge at Grandfather Mountain in North Carolina.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

World's smallest skyscraper, the product of a remarkable con.

This refurbished gas station is one of the oldest in Texas, located on the original Route 66.

The only nuclear weapon assembly and disassembly plant in the U.S.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

Colorado's only true geyser is hidden within the San Juan National Forest.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

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

The "Kill Bill Church" was transformed into a place of worship after a long Hollywood history.

A stealthy Apache hideaway that became the haunting site of a mass grave.

The Route 66 institution that inspired Taco Bell also served as an important headquarters for Mexican-American social movements.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

Arrr! The most authentic collection of pirate artifacts in the world... matey.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

A theme park featuring a replica of Noah's Ark built to the measurements specified in the Bible.

An obsolete, vanishing traffic device warns Cincinnati drivers away from middle-of-the-road obstructions.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."