An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

This quirky curiosity shop takes its cues from the world's bazaars.

A wall of chewing gum moonlights as collective art.

Explore 10 acres of environmental sculptures.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

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

A colorful architectural gem in Seattle's uniquely modern Central Library.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

An abandoned stretch of highway, deteriorating next to the operational one.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

All that's left of the quintessential "cabin in the woods."

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

An abandoned castle owned and ignored by Masons carries a cursed history.

The angel of death appears to weep black tears at this grave marker.

Couple's personal collection of pinball machines turned public pinball museum.

A very classy 1920s-era bar right in Grand Central Station.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

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