The deadly but beautiful ornamental oleander was planted all over the island of Galveston after the hurricane of 1900.

The only international border marker within the United States.

Ruins of a once-opulent grand Victorian resort.

An abandoned, decaying sculpture garden built by an eccentric physician in the 1920s now looks more like a forgotten cemetery.

This historical air terminal in Houston is slowly becoming an aviation museum dedicated to the city's aeronautical history.

"Dallas’s pretty much only carnivorous plant gallery."

This strategically-placed fountain creates the magnificent illusion of mustangs galloping across a river.

In Parr Park, thousands of painted rocks line this walking trail.

This sculpture of a bowler hat is complemented by a matching umbrella a few blocks away.

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

The bridge continues the legacy of President Franklin D. Roosevelt's New Deal policy.

The world's second-longest burning light bulb.

A collection of vintage liaison aircraft kept in flying condition and on display at an airfield in San Antonio.

Of course the grave of JFK's assassin is surrounded by conspiracy theories.

The man who wasn't there.

A modernist landscape of water and sci-fi concrete.

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

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

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.

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

A priceless work of art created by the saint's own blood sister hangs in a San Antonio basilica.

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

San Antonio's first 3-D stereoscopic mural is a trippy treat for the eyes.