An opulent monument built for a duke who donated his entire fortune to the city of Geneva.

This stone in Lake Geneva was once the reference point used to determine altitude in Switzerland.

A plain wooden seat that once belonged to one of the most prominent figures of the Protestant Reformation.

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

Alexander Hamilton’s creation caused quite a bit of controversy.

The first American department store, and home to the largest operating musical instrument in the world.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

This elaborate towering structure was once famed for its revolutionary height.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

The oldest active church in Pennsylvania is also the second oldest Swedish Church in the United States.

A luxury hotel constructed out of a former jail.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This 24-acre park offers a place for meditation in the midst of Sedona's iconic red rocks.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

More than a century old, this trading post resides in the Navajo Nation.

A Wild West jailhouse that slid down the mountainside.

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

A restored 114-year-old railroad station heralded as the most photographed depot in the United States.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

Once the tallest building in Detroit, this Gothic church houses some of the oldest stained-glass windows in the country.

Detroit’s Eastern Market has been transformed into an outdoor museum with colorful murals that address social issues and symbolize the city.