This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

One of the only memorials dedicated to journalists who died in combat.

A monument to the center of the North American continent may be off by a few miles.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

This Nebraska museum was once the smallest courthouse in America.

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

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

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

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

The first declared National Monument in the United States.

The largest self-built castle in the U.S., six decades in the making.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

A clear blue swimming hole with hidden caves, still unexplored.

A pair of giant legs paying homage to a poem, a king, and it would seem, socks.

Bronze statue marks the spinach capital of the world.

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

This replica of the Greek structure is in the heart of Nashville.

A delightful park featuring homemade scale replicas of dinosaurs, tucked away in the Tennessee mountains.

Exact replica of the ancient monument, but much, much lighter.

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