This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

Graffiti, cars, and religion combine to create this jungle of scrap in the Nevada desert.

The longest living non-clonal organisms on Earth.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A tiny nondenominational church harkens back to the days of the first homesteaders in the region.

A coal fire has been burning underground here since 1896.

While comics are the main attraction at this megastore, the second floor plays host to an exhibit fit for a museum.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

Five acres of divinely inspired folk art.

The arboretum whose marshy soil sucked up the dreams of housing developers.

This pebble beach is so beautiful that taking its rocks is against the law.

This cave holds a surprisingly colorful variety of geological oddities.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

Journey through the largest remaining peat bogs in the contiguous United States to see the wilderness as it once was.

A spooky defunct railroad tunnel now part of a sprawling trail.

This kaleidoscopic mural shows Bob Dylan throughout his transition from young troubadour to Nobel laureate.