A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

Hub of Scandinavian culture in a Minneapolis deli.

Ever wanted to can Spam?

This large midwestern cavern features impressive rock formations and an underground waterfall.

Half of a waterfall goes into the river while the other half seems to disappear.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

This lab's maddening silence is good for business but bad for sanity.

Turnip-shaped island just off the Michigan shore in Lake Huron.

Home with Gothic windows featured in a famous painting.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

This small museum is kept in a house that was integral to the genesis of Uncle Tom's Cabin.

Kentucky's anomalous peninsula projecting into the Mississippi River, site of legendary earthquakes and local feuds.

A theme park featuring a replica of Noah's Ark built to the measurements specified in the Bible.

A 70,000-square-foot institution dedicated to a very literal, creationist perspective on the Book of Genesis.

With 8,000 pipes this giant instrument is the most versatile theatre pipe organ ever built.

One of the most powerful computers in the world can be visited by anyone who wants to experience more computing than they can handle.

A unique attraction and museum dedicated to exploring iconic roadside structures.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

Giant origami crease patterns engraved in Santa Monica intersections may even be visible from space.

No matter what it might seem like on film, most scenes filmed on a plane are filmed at this LA studio.

With the touch of a button, you can read a randomly selected short story.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.