Thousands of signed dollar bills turn a simple tavern into a living record of travelers’ comings and goings.

This is the last surviving Bollman truss bridge in the world.

At this bayside marina, enormous wild tarpon jump out of the water to snatch fish from visitors’ hands.

A botanical hideaway sits inside the ruins of a half-built Civil War fort.

After emancipation, former slaves paved the roads of their newly built settlement with these bricks.

A small but elegant example of early highway engineering in the American Southwest.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

A memorial dedicated to the famed North Pole explorer appropriately sits at the far edge of Arlington National Cemetery.

A ruined hilltop watch base in the Aravalli ridge above Jaipur, where broken fort walls and a forgotten lookout overlook Man Sagar Lake, reachable only by scrambling through cactus-covered desert trails.

The fifth geographically in a series of twelve statues commemorating westward expansion in the United States.

The grave of the first dolphin to play Flipper is located at the Dolphin Research Center.

Spend a hour meandering, breathing, and learning along this lovely untouted path that connects historic gardens.

The original shop where the iconic Belgian praline was invented.

Home to the first child born to English colonists in North America, this colony mysteriously disappeared while waiting for supplies.

This conceptual artwork might be the most disappointing attraction in Brussels.

Most of this “research national monument” still lies buried beneath the earth.

Crumbled shell of one of the oldest buildings in Virginia.

The Perry Hall Mansion is noteworthy for its role in the founding of American Methodism and its continued representation of Perry Hall's historical and cultural identity.

A silent forest in Latvia bears witness to a massacre.

A rare surviving stone building from the Spanish colonial era.

Historic Lee family homestead built in 1785, later serving as a private home and a Civil War hospital.

The oldest flagstone charcoal kiln in New England serves as a reminder of the importance of land conservation and sustainability.

A living history village recreates a vanished 19th century community.

A hidden canyon deep in the woods of Indiana offers visitors a spectacular experience in nature.