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

This Civil War monument was designed by an eccentric architect and Gettysburg veteran.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

Built in the 1850s, this church was of the first five churches constructed in Harper's Ferry.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

A memorial dedicated to the Tejano superstar Selena Quintanilla-Pérez.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

Only known mainland rookery of the threatened Stellar sea lion.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

Where the famed daredevil attempted to launch himself across a canyon in a custom-built rocket.

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

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

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

An architect's childhood fantasy treehouse made real.

Within the church are the relics of the martyrs St. Jean de Brébeuf, St. Gabriel Lalemant, and St. Charles Garnier.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

This Moab institution functions as both a rock store and a small natural history museum.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

This ghost town was once a cult-like religious utopian settlement.

Oddly shaped rock formation, misassociated with a nearby utopian community.