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

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

The final resting place for the remains of 143 Habsburg royalty.

Two massive rock outcroppings on the Oregon coastline.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

One of the largest trees of its kind in California.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

Eat the ultimate iteration of Portugal's most beloved pastry.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

The romance of early commercial flight still fills this Art Deco destination.

Amsterdam's former hotspot for public executions and dissections.

This Japanese national treasure was originally built in 593.

Largest Roman Catholic church in North America.

The oldest continuously occupied public building in the United States.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

Only hotel where you can legally launder money.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

Op-art architecture designed for happiness.

Dr Barnes' $25 billion private collection of art and arboretum.