The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

The highest bridge in America was built for an almost unnervingly small amount of money.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

This restored farmhouse is a time capsule of a 19th-century Colorado homestead.

Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

Final resting place of a 19th century gold prospector and convicted cannibal.

This sidewalk tribute honors Colorado's great culinary creation.

Metal water storage tank turned ethereal concert hall.

A river runs through this remote valley in a very unexpected way.

A huge communist-era propaganda monument and mural that offers stunning views of the Mongolian capital.

An adorably sweet display of sculpted Precious Moments figurines.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

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

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

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

This historic motel standing at the "crossroads of America" offers a radio in every room and was saved by local protesters.

Giant granite rocks standing end-to-end like a train of circus elephants.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

A geological oddity formed by two rivers carving out a mass of limestone on both sides.

Community bookshelf of 25-foot-tall book spines.

Erosion and time have created a naturally-formed water park.

European castle ruins in an American state park are actually the product of death and grief.