A tiny piece of the Moon is embedded in this stained glass masterpiece.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

There’s a special club house at the top for the bell ringers.

This morbid scene depicts the Darwinian drama of death on the African savannah.

The 28-foot granite map plots the locations of 40 theaters in New York City.

A layered tribute to the work of mosaicist Isaiah Zagar.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

Little did a museum know, they possessed the last-known lunch wagon in existence.

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

A line of blue paint marks the route of the inaugural parade.

Seemingly unremarkable items like empty sushi trays, chef hats, and freshness stickers are being preserved so future generations can look back on this beloved cultural import.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

Rows of 19th-century brick ovens used to process coal into coke form the center of a wooded park.

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

Rare recess caves fill this unbelievably beautiful Ohio park.

There’s a hidden military meme engraved on the World War II Memorial.

A computer bug so primitive it was an actual insect.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

The largest earthwork effigy in the world.

A family agreed to sell their property to Disney on the condition that this tree, planted as a wedding gift, would not be removed.

To find the "unicorns of the deep" you've got to go downstairs.

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

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.