This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The oldest platform carousel built in the United States continues to delight children in Martha’s Vineyard.

The former home of the oldest nail maker in the United States was built on the ashes of a mill burned by the British.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

Thousands of turbines whir at the origin of North American wind power.

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

A 2,000-year-old Adena burial mound located along a busy street in Columbus, Ohio.

This monster fiberglass crustacean stands watch over the self-proclaimed "lobster capital of the world."

A mysterious spot where the laws of gravity seem not to apply.

Go inside the house that inspired L. M. Montgomery to create one of literature's most beloved heroines.

Where the author wrote her beloved "Little House" books.

The modest childhood home where the baseball legend and Yankees star learned to hit from both sides of the plate.

When you can afford only half a road, you build only half a road.

Nature's biggest mammal swims in landlocked Oklahoma.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

This unusually circular centenarian barn became a Route 66 icon.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

American bombs, morbid memorabilia, and graphic photographs tell the story of the CIA-led “Secret War” from the Pathet Lao perspective.

This mysterious tower is said to enshrine a dormant seven-headed serpent that once protected Vientiane from destruction.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Home to more than 13,000 pieces of war memorabilia and military equipment.

The best place for scenic views of the DMZ and North Korea.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.