A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

Long buried under the 20th-century landscape, this lift lock of the Alexandria Canal is the lone remnant of an ambitious early American transportation project.

A monument to the frontier doctor who came up with the idea of delineating highways with a painted line.

This lighthouse was crafted as penitence for the theft of wine bound for a monastery.

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

Exceptional Nepalese food can be found in a Texas gas station.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

The San Andreas Fault spectacularly offsets this creek.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.