A Hawaiian stairway to heaven—that you can't climb.

A semi-scholarly approach to sex.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

This shop specializes in oddities and Victorian-inspired wonders.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

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

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

The ceiling of this vintage movie palace is covered in fantastic Art Deco murals.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

This Nebraska town wants to double its population with plywood cut-outs of townsfolk.

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

The final resting spot of the Colorado Transportation Department's beloved unofficial mascot.

This colorful creation wasn't always a welcome part of Toronto's Moccasin Trail Park.

The whimsical legacy of a Canadian artist.

A symbol for the opposition to nuclear power around the world.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

This museum in a Paris apartment gives a unique look at the iconic French singer's life.