The only Frank Lloyd Wright-designed structure in the architect's hometown.

Three playfully immersive mini golf courses let you travel alongside your ball to the cup at this facility, which has been around since the 1950s.

Picturesque and haunting, these 160-year-old stone ruins on top of a bluff are the only remains of a settler's legacy.

An old water tower converted into a functioning large Swedish coffee pot showcases Lindström, Minnesota's Swedish roots

Inside this museum resides a boot fit for a giant.

A fairytale art house in the middle of Wisconsin.

These rural ruins are of a Midwestern hotel that was once an elegant spa for the wealthy, then a gangster’s hideaway, and finally a haunted retreat.

The center of the only hemisphere that awards visitors with a commemorative coin.

In 1953, a group of Wisconsin high school students helped build a hospital by collecting over a million pennies.

Large one-man sculpture park in Michigan.

The 10th-tallest pyramid in the world, this former sports arena is now home to a massive Bass Pro Shops store.

The National Park Service’s best-kept secret with views that rival any in D.C.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

An amazing collection of sculptures and art.

This park harkens back to frontier life in Wisconsin.

The titular fictional logger only inhabits this otherwise historically focussed museum via a piece of fiberglass kitsch.

This now-abandoned shopping center in Playa del Carmen was built to resemble a medieval European castle.

Egyptian Revival obelisks still rise over the old mine shafts.

A small mountain made entirely of banded iron stone overlooking downtown Ishpeming.

A theme park attraction designed to turn your children into LARPers.

One of Mexico's youngest major cities still holds on to this structure representing its short modern history.

This collection of historical artifacts and tropical wildlife waits just beneath the surface of the water.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

This groundbreaking 16th-century map is known as "America's birth certificate."