One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

Lemon Grove, California is known for its giant lemon...and mummified bodies.

An inconspicuous footbridge beloved by San Diego locals.

A couple turned their front yard into an artistic masterpiece.

A psychedelic labyrinth on the San Francisco bay.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A huge musical instrument played by the ocean.

Three hundred illuminated pillars form an “artificial forest” in Medellín.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

A hidden beach at the end of a tunnel of mangrove trees.

Scattered around Atlanta are little doors with big charm.

Located within a historic park, the beacon is the oldest standing structure in Miami.

When you can't get to the Pacific, just go to Florida.

A mysterious castle built as a monument to lost love.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

With nickel-steel armor and three-inch thick bullet resistant windows, FDR's train was a rolling fortress.

America's only city hall with minarets took architectural cues from Ali Baba and the Forty Thieves.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

This beautiful Miami garden was designed as a laboratory for tropical plants.

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

Live long and prosper in Tennessee.

Georgia's highest point was given its strange name thanks to a simple translation error.