Craggy concrete faces are hidden in the walls of this artificial cave along the San Antonio River.

A fruit-loving town welcomes visitors with a giant melon set against the sky.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

An antique horse-drawn hearse provided French luxury for the dead in this Texan town.

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

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

Two small markers remember the Alamo's feline protectors.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

Conflicting markers on its floor tell a tale of two city centers in San Antonio.

A tall smoke stack and boarded-up buildings are all that's left of the pioneering plant.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

For over 75 years, this cute stone statue has warmed the hearts of San Antonio.

Established in 1925, Kiddie Park claims to be the oldest amusement park in the U.S. - a cozy little time warp nestled in a shady corner of the modern world.

These boots are made for selfies.

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

The world's largest squirrel statue clutches a pecan bigger than your head.

This is one really big nut.

Home of the International Space Hall of Fame.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A grove of colossal man-made flowers built to collect the sun's rays.

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

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

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.