The ruins of a medieval monastery named after a type of tree.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

A tribute to Ponce de Leon's supposed quest for eternal youth.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

The ruins of an important pilgrimage destination for worshippers of a Maya fertility goddess.

Kuwait City's uniquely designed water towers look straight out of a retro sci-fi cityscape.

FDR's Art Deco hospital tower was hopelessly inefficient.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

Affectionately known as "Lord Bot," this historic statue has a cult social media following and rightly claims to be “the most metal inhabitant of the Wren Yard.”

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

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

This building at the south end of the boardwalk was once home to the U.S. Life-Saving Service and the U.S. Coast Guard before being rescued itself.

One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.

This North Carolina store preserves a historic moment in America's movement for racial equality.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

The alley connecting two of country music’s most historic venues has a rich history of its own.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

Legend says this sacred tree was a gift from goddess Athena.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

This Little Rock legend has survived decades of rowdy crowds, three fires, and a zombie wedding.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.