A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

There aren't too many operational funiculars around, but Pittsburgh has two!

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

A life-sized recreation of the megafauna that once roamed this region is a feature at the birthplace of American paleontology.

Rabbit Hash is a heaping slice of Americana from another era, with a very peculiar origin behind its unusual name.

An urban laboratory.

The oldest continuously occupied public building in the United States.

A sprawling collection of over 106,000 toys from around the world.

This high desert botanical garden is a unique display of New Mexico’s ecology and culture.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

The most visited, and possibly most controversial, museum in Germany.

A fascinating insight into daily life in the Eastern Bloc.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

A little sculpture with a large wardrobe.

Brussels' favorite peeing boy has a sister.