A vast array of tropical plants collected by a vacationing couple.

Opened in 1976, this monster-sized version of the fast-food franchise is sometimes called the Epic McD.

A glimpse at Walt Disney's vision for a "community of tomorrow," in miniature.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

An eccentric playboy's astounding natural history collection.

A millionaire's abandoned swimming pool from the gilded age of one of America's most distinguished families.

The site of a tragic massacre that spawned a multimedia franchise.

A formerly abandoned mental institute, now back in business.

A historic lighthouse steeped in rumors of ghost and pirate stories.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

The highway's southernmost spot is a beloved local attraction.

"We Seceded Where Others Failed."

A tribute to Ponce de Leon's supposed quest for eternal youth.

Electrical pylon in the shape of Disney's beloved mouse.

Once featuring over 60 miniature replicas of famous Chinese locations, the Splendid China theme park was completely abandoned and is now mostly rubble.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.