A spiritual vortex among the red rocks in Sedona.

Ancient pueblos built into the base of a natural canyon wall.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A geological mystery on Camelback Mountain.

Washington's iconic carousel has a nice piece of Civil Rights history.

Look closely and you’ll notice that the color changes a third of the way up the tower.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Experience a charming 1930s version of "infotainment."

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

A walk through the historic city center, under the streets of Seattle.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

Elevated freight railway turned wildly successful urban park.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

A museum dedicated to exhibiting remarkable outsider art.

Home to items never before seen by the public.