You could be standing at the site of one of D.C.'s most fatal tragedies and not even know it.

There’s a special club house at the top for the bell ringers.

The crumbling structure is a rare surviving relic of the area's bygone mining industry.

The first declared National Monument in the United States.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

Every president in history is immortalized in bronze in downtown Rapid City.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

The deserted railroad town had a last gasp as a ghost town attraction before being abandoned for good.

Just a man taking his prehistoric pet for a stroll.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

A fitting attraction for the corn capital of the world.

Home to the world's largest quilt collection dating from the 1600s through today.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

This mansion was made famous by its colorful cast of owners and location along the Sante Fe Trail.

This otherworldly church spire reaches up toward the heavens.

A museum celebrating the Victorian obsession with hair art.

A remarkably opulent mansion with a tragic history.

Seemingly unremarkable items like empty sushi trays, chef hats, and freshness stickers are being preserved so future generations can look back on this beloved cultural import.

In Edwin Hubble's hometown, a scale model of the groundbreaking telescope that was named in his honor.

Where the author wrote her beloved "Little House" books.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.