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

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

The most decorated dog of World War I is preserved in the Smithsonian.

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

The country's oldest continually-operated mini golf course lies hidden in plain sight, eclipsed by one of D.C.'s most popular tourist attractions.

There’s a hidden military meme engraved on the World War II Memorial.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

This grand gothic brewery has been pumping out suds for over a hundred years.

The site of the climactic scene from the classic horror film is now a historic landmark.

The school tested mustard gas for the U.S. Army during World War I.

This 19th century mansion façade adorned with immigrant patriotism is a symbol of Louisville’s history.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

This candy shop has been serving up sweets to the Louisville area since the 1850s.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

This town is home to the world’s largest arch constructed entirely of elk antlers.

A graveyard that dates back over 200 years stands near a busy shopping center.

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

The highest peak in the state of Vermont has some interesting features.

The world's most remote airport.

The largest stone moai on Rapa Nui.

These abandoned waterworks are crumbling into the Potomac River.

The remains of an old sawmill, gristmill and the surrounding industry dating back to the 18th century.

This Great Depression-era creation was once known as the strangest house in the world.

Come for the Italian food, stay for the taxidermy and giant statues.