This old abandoned sign flickers to announce a motel that isn't even there.

The 40-foot-tall votive candle is the largest of its kind.

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

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

An emerald-green grotto just a short trip from Austin.

Controversially restored in the 1970s, this giant 15th-century mosque is shrouded in legend.

Once a luxurious flagship of the Soviet Union, this Brutalist structure remains a landmark of Tashkent’s communist past.

Looking for a unifying history, Uzbekistan finds its answer in a 14th Century Turco-Mongol conqueror... despite the fact he wasn't Uzbek.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

Ancient barriers wrap around what was once an important stop along the Silk Road.

Legend holds that St. Paul was flogged for preaching Christianity at this pillar.

A symbol of hope, survival, and national character, especially after it rose phoenix like from the flames.

The burial ground of two kings and a queen is now a calm city park in the middle of bustling Seoul.

A historic Montreal market that was the city's agricultural hub for over century.

Every year, the colorful murals of Montreal get a complete makeover.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

A 125-meter long "tribute to the Brazilian people."

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

The largest public library in the United Kingdom was designed to reflect the industrial and artistic history of the city where it stands.