The ancient latrines of the Greeks, in all their public glory.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

Roman ruins top white travertine terraces formed by ancient hot springs.

This famous city eluded concrete detection until the early 2000's.

Home to the most complete dodo remains known - one head, and one foot.

Museum celebrating the history of computers, especially their role in codebreaking.

A miniature village mimics the surrounding buildings so well it includes itself.

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.