This erect, phallic geological spire wasn't always named so domestically.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The first declared National Monument in the United States.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

Every president in history is immortalized in bronze in downtown Rapid City.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Bad farming practices caused this unnatural natural wonder.

A museum and doll store featuring a surreal and super sanitized version of where babies come from.

World's largest college campus includes a wildlife sanctuary and a former movie set on more than 28,000 acres.

An underground magnet for ever-changing street art.

Scattered around Atlanta are little doors with big charm.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

A man's home is his castle.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

A local landmark with generations of spraypainted messages, and more being added each day.

Natural cathedral designed by Italian artist Giuliano Mauri.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

The middle finger of modernity.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.