This protected area in Lake Huron contains some of the world’s best-preserved shipwrecks.

An unlikely beach paradise of giant sand dunes lies between two lakes just a few minutes from Michigan's cherry country.

Strange physical sensations and optical contradictions keep visitors coming back for more.

This small, nautical gift shop is home to a 500-pound behemoth.

Taxidermy and miniatures come together to create this unique museum.

A glittering Thai Buddhist temple in suburban Pennsylvania.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

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

A tiny town’s tiny museum with some gigantic residents.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A whimsical roadside community of little metal people.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

An enthusiastically interactive mining museum that won't let black lung ruin the fun.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

This naturally-sourced hot spring is now home to a clothing-optional resort.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A technicolor place of worship for Elevationists.