Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

No one knows how many bodies are in this vault in a Chicago public park.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

All of Chicago's wood-paved streets are long gone but two alleys remain.

An enormous park-like oasis, full of famous Chicagoans' graves.

A speakeasy takes on Chicago's drinking culture.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

A pair of giant legs paying homage to a poem, a king, and it would seem, socks.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

This sparsely populated town offers a look back in time.

More than 21,000 images fill this overlooked gem of a prehistoric site.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

This is one really big nut.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

The remote resting place of a notorious Wild West outlaw whose death is shrouded in mystery.

Religious statues built because of one man's bargain with God fill this peaceful sculpture garden.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.