Mausoleums, astronomy, and animatronic dinosaurs at this memorial to an assassinated American president.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

The homestead of American patriot John Adams.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

This erect, phallic geological spire wasn't always named so domestically.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

Lured here by the promise of tens of thousands in gold, Jesse James started a quintessentially American trend of robbing trains in-motion.

A fitting attraction for the corn capital of the world.

The land is home to swimming ponies and a legendary 18th-century treasure.

This library and museum is dedicated to the life and literature of the Indianapolis native author.

This replica of the Greek structure is in the heart of Nashville.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

Nordic giants resurrected from the sea and restored to their former greatness.

A little sculpture with a large wardrobe.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

The secret city built by the Manhattan Project.