A floating museum that was sunk by a flood and left to rot in the tides.

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

A chessmaster's dream destination.

The highest point in Montana is as rugged and singular as the state itself.

For thousands of years, Native American hunters drove buffalo straight off this cliff in Montana's Yellowstone Country.

This tiny movie theater was the last one in the U.S. constructed in the Nuevo Deco architectural style.

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.

A little-visited ghost town state park offers a glimpse into Montana’s "Silver Queen."

The rocks of a certain area of Butte, Montana give off a musical ring when hit.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

A collection of huge, site-specific sculptures sitting in the Montana woods.

Mining town from the late 1890s, once home to Calamity Jane.

The 606 is a decade in the making.

An abandoned meat mecca now serves as an excellent locale for urban exploration.

A small abandoned and abused cemetery that has become a magnet for ghost hunters.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

One of just a few cities in the world to base their center of government on an island. Others: Paris and Osaka.

A mysteriously dark cemetery monument fuels stories and legends galore.