The largest burial mound in the United States holds the remains of prehistoric West Virginians.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

A giant ball made from pieces of an old Jeep.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Opened in 1947, this is the oldest continuously-operating drive-in theater in New York.

Pluto is still considered a planet in Ithaca, New York.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

In the recreated studio of a visionary artist, a stone that may be more than meets the eye.

Prehistoric animals decorate this popular outdoor park.

A local scoured more than 1,000 acres for stone to create his masterpiece.

An oversized metal construction of Billy Tripp's moods going through life.

A mysterious castle built as a monument to lost love.

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

Ruins of a once-prized railroad station in New York.

This massive melon is a recreation of a similar gate from the Pan-American Expo.

A beautifully designed asylum was resurrected as a hotel and art center with a ghost story or two.

The site of William McKinley's tragic assassination is only marked by an underwhelming boulder.

A 19th-century architectural wonder designed by the "father of the skyscraper."

The seat of Buffalo government is a gorgeous Art Deco palace.

The absurd creation is a compulsory destination for selfies in Buffalo.