A science teacher's dream.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

Even Henry David Thoreau found this glacial pothole irresistible.

Bad farming practices caused this unnatural natural wonder.

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

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

Not-so-fearsome tiny trolls live under this wooden train trestle in Portland.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

The Grand Canyon of Texas.

One of the oldest living oak trees in the Southeast.

One man's ambition created this psychedelic log home.

A collection of full-size movie monsters opened to the public.

An eccentric inventor's castle home with its own indoor weather system.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

The only diamond mine in the world where you can keep what you find.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

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

148 feet long and in the middle of a verdant forest.