Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

This historic motel standing at the "crossroads of America" offers a radio in every room and was saved by local protesters.

Dance on a hand-hewn log floor padded with bouncy boxcar springs at a saloon built in 1883.

A century-old cabin off of Highway 30 touts an unusual construction material: dinosaur bones.

This stunning sea creature-shaped home blends into the landscape like a fantasy villa.

One of the few surviving "Wigwam"-themed motels.

Once one of the most polluted caves in America, now an environmental success story and a museum dedicated to caves.

A haunted hot springs hotel that went from healing retreat to asylum before it was restored.

This 80.33 troy ounces of solid gold is believed to be the largest nugget from Oregon still in its original form.

The steepest tramway in North America provides stunning views of the out-of-the-way Wallowa Mountains in northeastern Oregon.

The secluded site of a 1943 plane crash and amazing rescue is only accessible by hiking through the woods.

This facility, now a museum, once housed and trained U.S. Army Air Force pilots who flew during the Allied invasion of Normandy.

A piece of the Ludendorff Bridge, also known as Remagan Bridge, calls this military base home.

The well-preserved remnants of a bridge that once made up a WW1-era military railroad.

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

This marker at the entrance to the Humphreys Engineer Center honors the former Chief of the Army Corps of Engineers.

Originally dubbed "Retirement" by the Navy Commodore who built it in 1780, this beautiful mansion is now the centerpiece of a suburban community park.

Play over 120 retro arcade games and pinball machines at this throwback museum.

Though it may look like it’s missing its outer shell, this skeletal cast-iron tower was built to withstand wind and waves.

Florida’s first home built with eco-friendly hempcrete.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

This historic silent film-era theater is now a community playhouse with a chilling visitor.

This jail which was in service for over a century is now open for curious visitors.

Featuring the largest CinemaScope screen in Pennsylvania, this drive-in has entertained moviegoers for more than half a century.