This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

At 207 feet, one of the world's longest continuous escalators.

A monument marks the location of the first successful steamboat demonstration.

This general store is more than a century old and home to various oddities and antiques.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

Time travel with sweets across history at this research-based candy store.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

North America’s largest collection of horological devices and home to a colossal clock with a dizzying array of features.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

A failed piece of Orientalism has become the proud symbol of a community.

The oldest farmer's market in America is so ancient it was approved by the King of England.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

A lush indoor jungle fills this bustling Madrid transportation hub.

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.