The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

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

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

A seven-story 1920s mausoleum outside Denver houses thousands of remains.

The site of the "Bone Wars" between two rival paleontologists during the dinosaur rush of the 19th century.

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

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

"All Mountains - All The Time."

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

A school used as a model for public education across the country.

The massive machine creates cracking displays of indoor lightning.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

This stately clubhouse has showcased German-American culture for over a century.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

A monument celebrating the idea of reaching inaccessible places.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Elevated freight railway turned wildly successful urban park.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.