This historic hotel invented the chocolate brownie.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

An antiquated German apothecary on Chicago's North Side.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Centuries-old columns from French monasteries provide structure for this courtyard within an Ohio art museum.

High on a hill, an obelisk stands as tribute to local soldiers from several wars.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

This ancient Irish landscape boasts hundreds of legendary ruins.

Inside the Wayne County airport is an amazing collection of lights and sounds.

Elaborate hand-carved wooden clocks two brothers made in their spare time are on display at this handsome little museum.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

This soaring sculpture and Sioux Falls landmark represents the leap of faith taken to make one's dreams come true.

Despite monuments in other locations, this spot in a South Dakota field is recognized by the U.S. National Geodetic Survey as the center of the 50 states.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

These cliff and rock formations are made out of Sioux Quartzite.

Known as "The Hill of the Little Devils."

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

A fitting attraction for the corn capital of the world.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Abandoned city hidden from the world by tropical forest and isolation on the coast of Kenya.