Come for the flowers, stay for the bats!

Tubing through a cave lit with glowworms is a magical underground experience.

Former laboratory of radical psychiatrist Wilhelm Reich.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

After just one epic test blast, this literal loose cannon proved too explosive for combat.

This too-low North Carolina railroad trestle is still a notorious big rig executioner.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Home to items never before seen by the public.

Opulent downtown movie theater now houses cars as an indoor parking garage.

A Beaux-Arts triumph rises from decades of decay to become the heart of a new innovation district.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

The only surviving prototype for Buckminster Fuller's house of the future.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

The first declared National Monument in the United States.

A 6-mile-long lake created by an apocalyptic seismic event and the deadly chain reaction that ensued.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

An exotic wildlife habitat right off The Strip.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

A museum marks and documents the site of the Titanic's launch.

This single room has survived the centuries with almost no deterioration.