Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

This legendary dive bar boasts a collection of over 1,300 clown figurines.

Catering to broken dolls for almost 200 years, this repair shop is now a charnel house of doll parts.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

Get in line for Lisbon’s most famous sandwich.

The best place in the world to buy tinned fish.

The world's oldest bookshop still in operation.

The rooster who crossed the road lives on forever in Takoma Park, Maryland.

The United States Capitol's former columns still stand.

Depending on who you ask, this controversial treehouse is either a charmingly creative child's playhouse or an illegal encroachment on public land.

Press 1 for knock-knock jokes.

Where you can hail your favorite fictional commanders-in-chief.

A nostalgic bibliographic gem.

A historic arena where the Beatles played their first concert in the U.S.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

Surrounded by traditional homes, this Tolkien-esque dwelling stands out on a quiet street in suburban Maryland.

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

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

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

Corn-inthian columns with a uniquely American take on neoclassical architecture.

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

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

Remnants of a wall built to separate Black residents of Hall's Hill from a newly built subdivision are a grim reminder of segregation in 20th-century Virginia.

It was once the base for a series of domestic terror attacks.