The oldest surviving presidential residence in the United States.

A hidden gem that highlights the life and innovations of Les Paul, the "Wizard of Waukesha."

The damming of the Colorado River buried an iconic geologic formation before record-breaking drought brought it back.

Could it have picked a better place to land?

An extraordinary collection of vampire-themed antiques lurks on the second floor of a store.

The eerie ruins of this feudal fortress witnessed the execution of 60 conspirators in 1387.

Catch a ride through the Pennsylvania countryside on this historic narrow-gauge railroad.

A comprehensive collection of toy and model trains, largely from the mid-20th century.

A stately castle in the northern Italian countryside has been restored after years of neglect.

How Quincy, Florida became the richest town per capita due to one man's shrewd business acumen and taste for fizzy drinks.

Named for the 39 tribes that live in Oklahoma, this restaurant's menu deliciously highlights local flavors.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

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

World's smallest skyscraper, the product of a remarkable con.

This shop filled with oddities and knick-knacks is named for a 19th-century charlatan.

This small piece of Michigan is entirely surrounded by Ohio.

A blues musician so talented that people said he must have traded his soul to the devil was born in this house.

Is this 47.7-mile stretch of highway the longest straight road in the United States?

One of the best-preserved ghost towns in Arizona speaks to the difficulties of establishing mining towns in the 19th century American West.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

The last funhouse of its kind, where guests enter through the mouth of an 80-year-old blue whale.

The Kalamazoo factory has 100 years of instrument-making, and one big wartime secret.

Hidden in the hills is a mysterious stone structure, known only to a few.

It may appear to be a fancy junk yard, but each item has a story to tell and a lesson to impart.