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

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

Amazingly detailed marble cinerary urns that once held the cremains of Roman elite.

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

Campus tradition says couples who walk beneath this enormous oak will stay together forever.

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

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

Modern technology and live displays tell the story of the Pacific during WWII for the Internet generation.

On a dusty county road sit the ruins of a ghost town's abandoned church.

Ghost town with a beer-drinking goat for mayor.

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

A 131-year-old wunderkammer of Texas history.

These boots are made for selfies.

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

This downtown Dallas art installation is always on the lookout.

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

The house where the writer spent his formative years.

Sofia's legislative center is continuously reinventing itself.

"Holy Wisdom" overlooks the city that became its namesake.

A collection of art from Bulgaria's time as a communist state.

A striking symbol of the Bulgarian capital.

You'll find just about anything in this funky Tbilisi flea market.

A small but hugely whimsical theater where marionettes play out the "The Battle of Stalingrad."

Unusual building appears to be haphazardly built from randomly piled bricks.