The underground sanctuary of a mysterious ancient cult.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

An alchemist's "magic door" stands in the middle of a Roman park.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

The yawning maw of this pagan visage is said to bite off the hands of liars.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

Architectureal fantasy quarter of Rome.

Once called the Jersey Lilly, this former saloon was the domain of infamous Judge Roy Bean.

Resting place of the Texas A&M canine mascots, who watch the game from the grave with their own miniature scoreboard.

The world's tallest statue of an American hero.

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

Witness to many historic moments in early Texas history.

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

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

The saga of the massive nut begins and ends in Texas.

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

A "Texanic" (gigantic Texas) collection of Art Deco architecture at Dallas' historic Fair Park.

A mythical chimera first sculpted in 1936 as a mix of the main animals of Texas livestock.

Remembering the Alamo with a full-scale replica of the 1836 city.

Steep canyon walls hide a forested oasis in the West Texas desert.

These boots are made for selfies.

Beer lover's can-covered house.

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