A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.

While not recognized by Guinness, this chocolate waterfall is likely to be the world's largest.

The ruins of a town wiped out by the second-largest earthquake in recorded history.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

The largest collection of ornamental hair combs on the planet.

This wooly sculpture supposedly marks the birthplace of a famous nursery rhyme, or not.

A tribute to the couples who brave long periods of separation during wartime.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

A beautiful, historic location open to the public.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

The once abandoned ruins of a Victorian beachside amusement park are now back in working order.

A house and yard adorned with bizarre concrete sculptures in a Milwaukee suburb.

Decades' worth of lost and forgotten objects make up the collection of this tantalizingly odd little museum.

An exotic wildlife habitat right off The Strip.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

A blacklight mini-golf fever dream pays tribute to the iconic rock band.

A luxurious doomsday bunker hidden beneath an unassuming Las Vegas home offers the best of subterranean suburbia.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

This former open-pit manganese mine is now a massive graffiti canvas.

A professional special effects makeup artist’s collection of horror creatures and one-of-a-kind recreations on display in downtown Boulder City.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

This museum is dedicated to telling the story of dinosaurs from a creationist perspective.