The first "Hut" was actually a small brick building.

A mysterious and terrifying public art goblin seemingly meant to inspire local legend.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

This column celebrates Rome's victory over the Goths, and may be the oldest Roman monument in Istanbul.

This crucial gathering spot along the "hippie trail" still displays old notes between traveling beatniks and backpackers.

A fountain standing as a testament to a doomed alliance.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

This famous city eluded concrete detection until the early 2000's.

Millions of dollars worth of sculpture decorate this Iowa city center.

More than 5,000 contemporary and "historic" mustards from around the world.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

Minnesota's oldest and deepest mine is now an underground physics laboratory.

A bizarre house filled with an astounding array of collections.

A large circus museum with summer performances.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

The world's largest floating loon bobs in the lake to kick off an annual festival.

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

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

The watery grave of an impractical idea.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

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

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.