The phrase "the shot heard around the world" was coined after a skirmish at this bridge.

A Kansas nature preserve protecting the plants and animals that once stretched across central North America.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

A historic scientific breakthrough that crosses nine borders.

Every year, the colorful murals of Montreal get a complete makeover.

The only example of a Paris Métro sign in use at a subway station outside of the French capital. 

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

Washington's iconic carousel has a nice piece of Civil Rights history.

Perhaps the most scandalous statue of America's first president.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

Largest Roman Catholic church in North America.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

The national park was once a plantation estate.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

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

A tiny piece of the Moon is embedded in this stained glass masterpiece.

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.

Once a giant oak that served as the region's post office.

Visitors may notice something strange walking through this quaint German town.

In 1952, a strange encounter in the woods of West Virginia led to the legend of a 10-foot-tall monster with glowing eyes and a distinctive style.

A unique sculpture calls the outside of this steakhouse home.

A medieval setting reimagined into a unique art alley.