At this leafy estate, one man’s passion for trees grew into Arbor Day.

A brick-paved former section of the historic coast-to-coast highway.

These experimental weapons brought World War II to Nebraska as well as 26 other U.S. states.

A giant gun-shaped smoker.

This modest marker near Notre Dame identifies the very center of Paris.

The celebrated eyesore created by starry-eyed sweethearts.

An unusual number plate signifies the building's saucy past.

This 18th-century sundial was designed to calculate the date of Easter each year.

This replica small town lets visitors take a stroll through the story of progress in the U.S. via thousands of Americana artifacts.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

This 19th-century house museum features a horse-drawn hearse and other antique oddities.

The final resting place of a 19th-century gold prospector and convicted cannibal.

Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.

A stark reminder of the huge nuclear weapons plant that once stood on the site and its effect on the surrounding area.

This notorious dive has been serving up both kinds of spirits since 1879.

Colorado’s most beloved glacier is an imposter.

Drift through decades of high desert music history at this funky hometown museum.

This swanky speakeasy is Denver’s oldest bar—and hasn’t changed a bit since 1933.

Soak in the life’s work of one of the country’s foremost modern artists.

A monument celebrating the Black soldiers of the 9th and 10th Cavalry.

A mysterious local has been dressing the child's grave for decades.

Come for the heirloom-corn whiskey, stay for the wood hats.

Buy a token from the liquor store and you can make this beast spew flames on command.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.