The symbol was surreptitiously built into the river bank by German prisoners of war.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

The state bird of New Mexico, constructed entirely out of garbage.

The remote resting place of a notorious Wild West outlaw whose death is shrouded in mystery.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

The Jewish section of the famous Boothill Graveyard was abandoned for nearly 100 years.

America's only nuclear missile silo open to the public.

Nothing to see here.

A retired schoolteacher in suburban Nevada transformed his front yard into a paleontological menagerie.

At the base of the Spring Mountains, a unique nursery packed with desert plants.

Clark County Museum has created an entire street of historically important buildings relocated from various other locations within the county.

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

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

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

A 1920s navigation arrow for airmail is preserved right off Interstate 80 near the southern edge of the Great Salt Lake

Come for the speed, leave in love with the desert.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

This pristine World War II airfield gives a comprehensive look at atomic development and aviation history.

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.

The only bridge in the United States where BASE jumping is legal without a permit year-round.

Walking by this fence is like strolling along a portal to various fictional worlds.

A large circus museum with summer performances.

Wisconsin's most celebrated export gets the royal treatment on I-94.