The lengthy skeleton of one of the tallest Spaniards of all time is on display in Madrid.

One of the best examples of the modernist movement in Madrid.

This enigmatic artifact is a rare depiction of an ancient Iberian noblewoman.

Remains of the lost church hide beneath this Spanish Parliament building.

An iconic and controversial ancient Iberian funerary urn with a hauntingly penetrating gaze.

A subterranean relic of the Spanish Civil War hides below this picturesque park.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

One of the world's oldest universities houses an incredible collection of anatomical models, mummified body parts, and human bones.

The morbid items in this small and hidden museum are not for the weak stomached.

Commonly acknowledged as the only public monument to the Devil himself.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

To honor a beloved Austin radio DJ a neighborhood bridge has been covered in a loving mosaic.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

A tribute to the "toughest woman on the Texas frontier," who survived a famous battle and five husbands.

This eclectic Austin curiosity shop is home to all things strange and unusual.

A former electrical substation is now home to an eccentric junk art masterpiece.

This eclectic, mosaic-clad home includes a bamboo ping-pong loft and a "Whispermaphones" intercom.

One part antique store, one part curiosities hodge-podge.

Continuing the tradition of the dime museum in style.

In 1329, Christine Carpenter entered this small stone cell in the hopes of becoming a living saint.

Scattered around Atlanta are little doors with big charm.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

An early 20th-century bullring converted into a modern shopping center.