Twenty churches beautifully painted by 19th-century Czech and German immigrants in Texas.

Decaying military base deactivated in the 70s is now visited by urban explorers and military enthusiasts.

A National Historic Landmark with a scenic clock tower and park filled with deer and peacocks, plus a military museum.

A spring-fed pool so deep it's used for scuba diving as well as swimming.

Crumbling hotel echoes with the sounds of the '30s.

Turning night into day in Victorian-era Austin to thwart a serial killer.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

A starship has landed in Texas, a welcome break for weary travelers from a drab stretch of I-35.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

This sacred cavern, 400 feet deep, is home to millions of bats and an ancient burial ground.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

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

The second largest roadrunner in the world stands 11 feet tall in his West Texas town.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

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

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

Largest Roman Catholic church in North America.