The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

The ghost town that ended up on Ebay.

The deserted railroad town had a last gasp as a ghost town attraction before being abandoned for good.

Once a black market electronics marketplace, now an otaku shopper's paradise.

One of the few surviving "Wigwam"-themed motels.

The world's longest known cave system.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

This former coal gasification plant found a curious second life as a popular public park.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

The first park built over a freeway is a brutalist masterwork.

A giant Troll lurks under one of Seattle's oldest bridges.

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

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

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

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

A tiny wilderness cemetery commemorates the deadliest episode of the Klondike Gold Rush.

A winding district gerrymandered into the shape of a mantis.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The first Russian Orthodox church in North America and an Alaskan landmark.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

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