This Chinese-style quartz sundial was saved in its final hour.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

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

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

This restaurant's marvelous musical machines include a self-playing violin.

An extensive collection of ancient Egyptian artifacts and mummies.

The home of the world's first and last remaining "wooly ant."

A (slightly) grownup take on the classic retro arcade.

The only pig museum in the U.S. holds one of the world's largest collections of pig items.

This historic cliffside mansion uses a natural cave for air conditioning.

The obelisk meant to mark the founding father's grave at Monticello is actually on the University of Missouri campus.

This majestic tree has survived 400 years of storms, droughts, and floods, and is a beloved natural landmark in Missouri.

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

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.

Another in a long tradition of legends regarding infernal seats.

A museum dedicated to man's boldest venture.

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.

Like Stonehenge, but with boats and oodles more charm.

Curious cave that stays a cool 56 degrees all year long.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

What remains of the summer palace of King Kamehameha III.

Doris Duke's lasting collection of Islamic Art, hidden in a Hawaiian paradise.

Race through the maze, get your name on the sign.