Megachurch turned Catholic church comprised of 10,000 glass panes.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

The freeway that never was.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

A comedy troupe's collection of bizarre humor.

A 100-year-old chair with joints "cemented by nature."

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

Home to over 300 antique cars and motorcycles, including Thomas Edison's Model A.

Watch the ships come in on Michigan's 210 ft. high observation deck in Sault Ste. Marie.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

A motel dedicated to Southwestern nostalgia.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

Inside the Wayne County airport is an amazing collection of lights and sounds.

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

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

This demon atop the Notre-Dame de Paris looks utterly bored.

The spaceship-like theater, which is still in use, was one of the most popular exhibits at the 1964 New York World's Fair.