The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

Once known as the Illinois Asylum for the Incurable Insane.

A series of stained glass artworks that depict images of the hit TV show.

This steep-walled ravine contains animal-shaped formations made from sandstone.

This cave holds a surprisingly colorful variety of geological oddities.

A rocky Irish outcropping with a history of wealth, conflict, and ruin.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

These markers are used to document elevation changes around the famed dam.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

A theme park attraction designed to turn your children into LARPers.

A wonderland of caves in eastern Iowa.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

The world's longest known cave system.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

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

The innocent intentions of this monument are somewhat lost in the sculpture's muscled imagery.

This monument marks the beginning journey of a wounded soldier's leg that ended up almost two states away.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.