A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

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

This sandwich shop has a century-old elevator behind a sheet of plexiglass.

The "lovely red Vega" of the legendary record-settling pilot.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

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

This homegrown adoption center offers a wonderland of feline companionship.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

The "Jade Museum" is full of thousands of intricately carved works of art made from various precious stones.

A local landmark with generations of spraypainted messages, and more being added each day.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

One person's lost luggage is another person's treasure.

One Confederate statue that accurately reflects the ugliness of its subject.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

An alley covered with 20 years of bubble gum.

A "haunted" landmark on the coast of Southern California.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

For over 100 years, this Indiana town has had a tree growing out the top of the local courthouse.

You thought Santa Claus didn't exist, but it turns out you were wrong.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Outside Hope College in Holland, Michigan, a marker honors a University without people from the fictional Kcymaerxthaereal times.

On the shores of Lake Kalamazoo, a plaque marks a fictional event where an island nation ran aground.