The train collection of an eccentric New England seafood mogul is now a National Historical Site.

A huge railroad museum with over 100 pieces of rolling stock focusing on the railroad history of Pennsylvania.

An improbable water gap where the West Walker River, paralleled by a state highway, crosses the Singatse Range between Smith and Mason Valleys.

This rest area is also home to a remarkable petroglyph site.

This small town was built around a marble quarry and named after one of the most famous sources of marble in the world.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

The most magnificent bottle house in a town strangely full of them.

US-50 in Nevada is known as "the Loneliest Road in America," but this earlier iteration of the route is even lonelier.

Curiously, this large sporting goods store features 14 wax representations of American presidents.

A land of debatable treasure.

A brothel nestled amongst ghost towns, with an abandoned plane wreck to greet you.

This tiny cluster of abandoned buildings looks like the future of the ghost town - today!

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

The farthest you can be in the contiguous U.S. from a McDonald's location.

This once bustling boomtown hotel is now the hottest spot in Nevada for ghost hunters.

A giant open-air sculpture made of over 200 full-sized boats.

Odd outsider art installations surround a Gold Rush-era ghost town.

A concrete arrow from a 1920s network of airmail beacons is still preserved at the western edge of suburban Reno.

The freeway that never was.

A UFO scrapyard in the California desert.

This historic tower in the California desert promises visitors a "vortex of good vibes".

The remnants of an early automobile route across shifting sand dunes can still be found in the deserts of Southern California.

Ancient human, animal, and geometric figures drawn in the earth.

These markers are used to document elevation changes around the famed dam.