This little slice of the Netherlands in the Pacific Northwest blooms in a rainbow of color each spring.

Four hundred granite steps were built into this massive rock by the National Park Service.

A beautifully designed asylum was resurrected as a hotel and art center with a ghost story or two.

An Ancestral Puebloan ruin that appears to burst into flames in the sunlight.

A forsaken wonder in the middle of the East Side neighborhood.

Unlike most arches, this geological oddity formed in a volcanic dike.

The remains of this hell for leather wild west town can still be found in the Arizona desert.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

Town full of spiritualists, some of whom are mediums, is still in full swing after 130 years.

This frozen tunnel in central Alaska is both an engineering feat and a valuable climate classroom.

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.

A tribute to the life and work of the beloved "Peanuts" cartoonist.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

Gorgeous cave resemble a winter wonderland.

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

These free-roaming horses were once destined to disappear from the land.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

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

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

It's a pretty creepy lock-up.

One of the American Southwest's most extensive collections of Navajo rock art.

This nine-story building can be played like an instrument.