A cemetery full of touching tombstones from a community of railroad workers, uranium miners, and Cold War missile launchers.

A tunnel with windows, so you don't miss out on the impressive views.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The echoes of a railroad town that solemnly mark the end of the line.

Quite simply the largest tree in the world (by volume).

The fifth-longest natural arch in the world, and the longest outside China.

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

A small oasis not far from downtown Moab.

A recreation of an Old West apothecary full of curios.

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 spectacular track has run continuously since 1882.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Impressive artifacts from Juneau's gold mining days fill this mining site-turned-museum.

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

This historic collection of Native Alaskan artifacts was resurrected through a partnership between the WPA and tribal artisans.

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

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

Gorgeous cave resemble a winter wonderland.

This oddly named town refuses to change its phallic moniker.

A decidedly out of place statue memorializes the Blues Brothers characters at this water bottling plant.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

The first declared National Monument in the United States.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.