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

This collection honors the iconic, and proudly American lighter that just won't quit.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

The world's largest rotating world.

Visit the monolithic tomb of America's most famous general.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

An unrealized dream to wirelessly electrify the entire Earth.

Home to items never before seen by the public.

America's post-nuclear-attack chambers of Congress.

In this relatively flat state the highest point is an honored place.

The largest cemetery in Louisville is the final resting place of Col. Sanders and Muhammad Ali.

One man's vision and a labor of love of many.

The world's longest known cave system.

Home to drunken tower-climbing goats... seriously.

A bizarre roadside attraction and the first instance of miniature golf in the world.

The secret city built by the Manhattan Project.

This high point in the Great Smoky Mountains is said to be home to the chief of all bears.

Twenty-eight years after this local landmark was washed ashore by hurricane Hugo, it was washed away by hurricane Irma.

This set of rickety spaceships are prepared to give alien travelers a place to relax and go to the bathroom.

One of the oldest living oak trees in the Southeast.

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

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.