Colorful curls of hand-blown glass form a captivating tower in San Antonio's Central Library.

Tile mosaics and quotes from Pablo Picasso add an artistic flair to these bus stop benches.

The quirky gift from West Berlin for the 1968 World's Fair still stands in Hemisfair Park.

Two small markers remember the Alamo's feline protectors.

A mother's mourning for her lost son is remembered in this small park embedded with his memory.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

This hidden sculpture garden full of Wild West art is one of San Antonio's best-kept secrets.

Three hundred years of preserved Spanish colonial history in San Antonio.

A 131-year-old wunderkammer of Texas history.

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

The biggest drug trafficking passage between Mexico and the U.S.

Seven flags adorn this Texas museum, one for each of the powers that have ruled the area.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

These unusual rooms on wheels are holdovers from the 1960s.

The system of air guns are fired off remotely to scare any trespassing avians.

The romance of early commercial flight still fills this Art Deco destination.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

America's first federal monument.

The rogue roots are gradually consuming some of the historic marble grave markers.

At 207 feet, one of the world's longest continuous escalators.

This unique historical monument features large concrete spheres designed to resemble fallen stars.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.