Stepping inside this coffee shop is a journey through time.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

Portlandia is the second-largest copper repoussé statue in the United States.

Forever immortalized in concrete, this Simpsons etching was crafted by show creator Matt Groening.

This charmingly homemade amusement park has been growing for 40 years.

This frequently-photographed waterfall takes only a short hike to visit.

A sprawling cave network created by a lone lava tube.

This massive mushroom has spent centuries eating its way across a huge swath of Oregon.

This large maar crater in Oregon is the bigger brother to Hole in the Ground.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

The first life claimed by this record-breaking peak wasn't lost to exposure or a fall but rather lightning.

This desert oddity hides in plain sight thanks to a cartographic error and a desert explorer with a punny sense of humor.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

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

Train debris from the deadliest avalanche in United States history can still be found in the ravine where so many perished.

A small oasis not far from downtown Moab.

This eclectic collection documents the wild legacies of "America's Wickedest Street."

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

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

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

This interpretive path lets you get up close and personal with dinosaur bones.

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

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.