The Cadillac Ranch for monster truck aficionados.

One of the best places to see feral Colonial Spanish Mustangs in the United States.

A local prank turned town icon.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

A former major munitions plant that has been converted into a sprawling art space.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A reproduction of earth's many biomes.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.