Quite simply the largest tree in the world (by volume).

In Oklahoma City's Bricktown, there's a street that don't use jelly.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

The largest cattle market on earth holds live auctions open to the public every week.

This museum was once the home of industry titan Matilda Dodge Wilson.

Once the extravagant escape of the Ford family, this enigmatic ruin now stands as a haunting reminder of its former glory.

Go back 50 years with a turn on one of the park's carefully restored vintage fairground rides.

A wildlife paradise, this island is one of the world’s most important habitats for burrow nesting seabirds.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

This 16-foot-diameter wooden coin has been standing in Iowa City since 2006.

How did the 110-foot limestone statue cross the road?

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

One of just a few cities in the world to base their center of government on an island. Others: Paris and Osaka.

In rural Iowa, an imported 19th-century windmill overlooks an unlikely enclave of Danish culture.

The cliff and rock formations are made out of Sioux Quartzite.

The highest point in Iowa, while not that impressive to mountain states, has earned its own monuments.

An obelisk commemorating Lincoln's role in connecting the coasts.

This once rural mansion now sits in the heart of the city.

A small burial plot formerly stranded in the middle of a road.

The magazine keeps a perfectly groomed display garden for its photo shoots.

A bakery and variety store filled with an extensive taxidermy collection.

Where most of the world's flypaper was made.