A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

This vast and otherworldly landscape is one of the largest dune complexes in North America.

This impressive gate is the only remaining remnant of a Spanish naval station.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

After James Madison's death, his wife and former First Lady Dolley Madison lived in this yellow building near the White House.

This memorial is dedicated to a once popular but now defunct discount Shrewsbury department store.

This landmark honoring a local beer brand is an iconic part of the Minneapolis skyline.

Smack-dab in Campania’s volcanic fields, this scenic lake was once thought to be the gate of hell.

A small mountain made entirely of banded iron stone overlooking downtown Ishpeming.

The world's largest mineral hot springs is home to a herd of bison, a free public bath house, beautiful mineral formations, and a terrifying swinging bridge.

Historic home of a Black veteran of the American Revolution and one of the earliest civil rights activists in the United States.

This 17th-century passageway is home to numerous bookshops, a witch legend, and the oldest pizzeria in the world.

The last remnants of a lakeside airport that was bulldozed overnight by the mayor of Chicago.

The world's largest collection of historic U.S. military naval vessels.

This American Civil War-era fort still stands near the border between Washington, D.C. and Maryland.

The last location where Buddy Holly, Ritchie Valens, and J. P. "The Big Bopper" Richardson played before their tragic deaths.

Wisconsin's most celebrated export gets the royal treatment on I-94.

This sound-art installation features songs composed using only the Mid-Hudson Bridge as an instrument.

A dedication plaque on this Boston tunnel is a microcosm of a massive, controversy-laden construction project.

An 83-foot tall granite obelisk honors the legacy of Dr. King in the heart of Norfolk's Black community.

This large stone residence served as a field hospital during the Battle of Gettysburg between stints as a tavern.

This rusted car found in Petrified Forest National Park's Route 66 exhibit may be the most photographed abandoned car in the country.

This small, but beautiful waterfall has attracted visits from artists, composers, and two United States presidents.

This unassuimng grain elevator, commonly confused for a smokestack, helped inspire the modern architecture movement.