Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

This shop specializes in oddities and Victorian-inspired wonders.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

A fitting attraction for the corn capital of the world.

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.

A popular rock that acted as a waymarker for American pioneers.

The first declared National Monument in the United States.

These giant metal horses graze on a hilltop near the Montana highway.

The only road through the heart of Glacier National Park.

When ecosystems collide in the arid Southwest.

The tomb was guarded by soldiers from both sides of the war, and some left their initials carved in the brick.

At 207 feet, one of the world's longest continuous escalators.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

The rogue roots are gradually consuming some of the historic marble grave markers.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

Perhaps the most scandalous statue of America's first president.

The "lovely red Vega" of the legendary record-settling pilot.