A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

These waterfalls can be twins or triplets, depending on how much it's rained recently.

The highest waterfall between the Rockies and the Appalachian Mountains.

This mill has survived a tumultuous past to still produce flour and cornmeal.

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

When he found his hometown was no more, Lowell Davis decided to recreate a "new" ghost town from scratch.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

Once the smallest park in the national system.

An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

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

"X" marks the spot of an echo chamber in the middle of a plaza.

A statue honoring 44 continuous years of greeting passing ships.

This kitschy tavern is also home to rare early editions of "Treasure Island."

A modest walled graveyard where nobody is actually buried.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

Georgia's first brewery is also one of its oldest surviving buildings.

If all members were present at the table, a sixth of the world's wealth would be under the same roof.

The remnants of the fortress that saved Georgia from the Spanish still stand guard on their swampy island.

This beloved marketplace mascot poops money and grants good luck.

Huge masonic hall in Philadelphia with lavishly themed rooms.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

The first American department store, and home to the largest operating musical instrument in the world.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.