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

This massive swimming pool is the high tech home to the human-powered submarine races.

One of the largest collections of Catalan literature and cultural materials outside of Spain, created by a community of 1960s expats.

FDR's Art Deco hospital tower was hopelessly inefficient.

Proto-CIA agents trained with grenades in the sand traps and fired machine guns from the fairways.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

These unusual rooms on wheels are holdovers from the 1960s.

The Pentagon is so large that it was planned like a city, complete with internal highway infrastructure.

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

The taxidermy remains of the most popular pony in children's literature.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

An exotic wildlife habitat right off The Strip.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

The drama of nature in full effect in this Nevada State Park.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

This town is home to the world’s largest arch constructed entirely of elk antlers.

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

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

This Wild West attraction is alive with glitching automatons.

A fitting attraction for the corn capital of the world.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

The largest wooden building in the world now houses a fascinating collection of aircraft.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.