The largest earthwork effigy in the world.

During the 19th-century, this park was a vital trading fort.

The red brick house where the father of rock 'n' roll wrote some of his classic hits.

This mausoleum is the final resting place of one of St. Louis's richest and most tragic families.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

A wax effigy of St. Valentine hides one of the saint's relics.

One man's unrequited love stands in a glass box forever.

This abandoned cemetery has a dark past of bodies buried over bodies.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

Visitors to this library are in for a real-world education in modernist architecture.

Incredible sculptures inspired by obscure passages from the Bible.

A stoic rock cairn is all that remains to remember one of the more brutal instances of frontier treachery in American history.

There are eight natural springs around town, each with a slightly different taste.

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Victorian "Fancy Craft" Hair Wreaths and Relics.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

This abandoned mine offers a glimpse at what life was like for those who came to Alaska seeking Gold Rush riches.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

An Alaska livestock farm devotes itself to harvesting wool from creatures that once ran with mammoths and sabertooth tigers.

Clean, cold drinking water flows from a nondescript pipe in a roadside rock face.

Siberian husky that delivered a life-saving antitoxin.