The remains of a 13th-century Franciscan friary have survived multiple attempts at destruction, most recently in 1921.

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

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

Together they left this world, and together they shall remain for all eternity.

This small Arkansas town once had a close encounter with the Beatles, and are determined never to let anyone forget that. Ever.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

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

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

See the sky in a new way through this art installation.

This downtown Dallas art installation is always on the lookout.

Texas's oldest bakery serves authentic German pastries, including legendary strudel.

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

This 880-acre facility is home to a massive collection of vintage motorcycles and cars, as well as a 2.38-mile race course.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

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

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

Illegal drag racing two stories beneath Chicago’s streets.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

The palatial McDonald's that inspired Wesley Willis.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

The Bong-area park police have asked visitors to please, stop stealing the signs.