Built for an exposition in 1915, these horticultural displays have stood the test of time.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

The stone labyrinth in this New Orleans city park was laid to symbolize healing in the wake of Hurricane Katrina.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

The final resting place of New Orleans' most famous voodoo priestess.

The only rotating bar in New Orleans has been slowly spinning since 1949.

This 45-story tall abandoned skyscraper is the third tallest building in New Orleans and Lousiana.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Ice cream stand, snack bar, and time capsule of milk conveyance.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Where the Millerites gathered to watch the end of the world in 1844—and left disappointed.

The largest ancient burial mound in Ohio.

This small park features a monumental fountain wall, providing a great photo opportunity in the middle of Houston.

Artist James Turrell's ode to dawn and dusk on the campus of Rice University.

Giant works of art interspersed throughout meadows and woodlands offer a new discovery at every turn.

At the top of the hour, this steam-powered clock's eight brass whistles play "Back Home Again in Indiana."

The largest historic preservation organization in the United States.

Nature and art meet in this curvy creation

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.