A journey along this trail means indulging in a slice of nostalgia.

A centuries-old stone pagoda from Japan stands among cherry trees beside the National Mall Tidal Basin.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

The hippo that stands on this university campus was once a drunken flea market purchase.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

The Lincoln Memorial has inspired many, even though a word on the inscription appears to be spelled incorrectly.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

The 10th-tallest pyramid in the world, this former sports arena is now home to a massive Bass Pro Shops store.

This Arkansas town is known for its gangster history, its healing waters, and now its brews.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

This quirky Arkansas wax museum does not shy away from the macabre and the grotesque.

Two gushing waterfalls of hot spring water within a block of each other.

Mobsters came for a soak in the hot springs, and stayed for the illegal gambling and bootlegging.

Nature's biggest mammal swims in landlocked Oklahoma.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

The world's largest version of this iconic puzzle cube is located in Knoxville, Tennessee.

This popular pitstop lives up to its name.

A one-of-a-kind sundial at the Very Large Array honors a radio astronomy pioneer, incorporating the original piers from his breakthrough radio telescope.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

This sculpture is intended to reset a person’s creativity.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.