The first bridge observation tower in the U.S. offers one of the best views of Maine.

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

This Portland shop is brimming with natural wonders, local art, and handmade goods fashioned from recycled materials.

Ruins of an American Civil War iron forge still survive today.

All aboard the world's longest miniature railway.

This handcrafted, old western-style town is filled with deserted cars, retired movie props, and other forms of Americana.

A tiny art gallery in Sunnyside helps keep Portland weird.

The uniquely-designed winter home and sculpture studio of Anna and Archer Huntington.

A giant cement churn carries the legacy of American resilience, unity, and greed.

A folk art mecca famous among outsider art fans.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

This airfield is home to a number of retired vintage planes in various states of disrepair.

The antique barns in Cameron are not painted with your grandfather's Mail Pouch Tobacco murals.

The world's largest vertical wind tunnel.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

The only subterranean ping pong table in Atlanta.

A colorful square marks the heart of the city's LGBTQ community.

A snapshot of the city's fascinating voodoo culture.

An increasingly eccentric apartment building, topped with winged beasties.

Legendary frontman of the Doors looms in this giant mural by famed Venice muralist, Rip Cronk.

A hidden subterranean installation offers a view of the sky.

Visible below the waves are memorials to the city's Gold Rush dead.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

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