What is it about mushrooms that makes people wish they lived inside of them?

Where beautiful signs live on forever.

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

The world's longest known cave system.

This replica of the Greek structure is in the heart of Nashville.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

One of the few surviving "Wigwam"-themed motels.

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

A delightful park featuring homemade scale replicas of dinosaurs, tucked away in the Tennessee mountains.

Mile-long cave system near Great Smoky Mountains.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

Over 20,000 sets of spice shakers reveal the surprisingly telling history of our most basic spices.

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

It took more than 20 years and a sharp eye for one man to assemble this quirky collection.

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

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

This narrow shop in the East Village hosts a matchmaking service for the new millennium.

This huge clock made of flowers and simple machinery was once used a political weapon.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.