Colonial architecture meets urban art in this sprawling open-air gallery.

This botanical garden boasts sculptures, industrial ruins, and an endorsement from the Dalai Lama.

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

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

This towering wooden Sasquatch was carved with a chainsaw.

A fitting attraction for the corn capital of the world.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

The first declared National Monument in the United States.

This open-pit mine is now an abandoned symbol of Bisbee's copper-mining heritage.

This oasis-like spring in the Sonoran Desert is home to unique, endangered species.

A reproduction of earth's many biomes.

A sharp bend in a dramatic river canyon cut through red rocks.

The arch that celebrated the completion of the Lincoln and Victory highways.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

The drama of nature in full effect in this Nevada State Park.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

Home to items never before seen by the public.