Museum dedicated to awful artwork.

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

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

The eerie remnants of an ancient forest were hidden under the sand for centuries.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

Treehouse motel and treehouse-building school.

This spectacular track has run continuously since 1882.

An abandoned vacation home spent a decade taking on legends. It's now taking on water.

This massive redwood tree has a hole in the base big enough to drive through.

A Saint Nicholas-themed ghost town in the Mojave desert.

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

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

A "Titanic" superfan changed his name to Jack and set up this strange shrine to the blockbuster, complete with Korean food and Tarot readings.

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

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest permanent Monopoly board makes one of the longest games even bigger.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

A natural gas leak provides a flickering flame beneath a waterfall.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

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

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.