All that remains of a gigantic earth-moving machine.

An unassuming 13-acre park is home to over 12,000 roses.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

These beautiful wineries were at the center of Lake Erie's "grape belt" back when the Midwest dominated American wine production.

The only presidential monument to display a late POTUS's actual casket.

Deep scars on the earth left by the Ice Age.

This legendary urban waterfall creates a dazzling display of rainbows.

This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.

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

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

A beloved, quirky little fountain featuring a large frog spitting water at a naked boy.

This giant green head remembers one of America's jazz giants.

This art deco masterpiece was once a miracle spring mecca but is now simply a government office building.

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.

An abandoned concrete jungle surrounded by a lush park.

Two gems of Beaux Arts architecture that have been sitting vacant for years.

Once home to a booming 19th-century oil town, the park now houses a World War II submarine memorial complete with a torpedo.

The failure of one component toppled this entire bridge during rush hour.

Home to several unusual artifacts, including a huge painting of George Washington.

One of the few places where you can explore a 1918 paddlewheel steamboat from stem to stern.

Visit a replica of the estate where Aaron Burr allegedly plotted a treasonous scheme against the United States.

One of the few surviving examples of the first lock and dam system built on the Ohio River.

Rare recess caves fill this unbelievably beautiful Ohio park.