A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

Decades before the scandal, this staircase on the river was a literal "water gate."

Outside the Department of Transportation, a collection of artifacts honors the history of how we get around.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

Volcanic stone sentinels stand watch at a Korean Bell Garden in Virginia.

These mystical miniature houses bring a touch of magic to the New Jersey woods.

This old-fashioned candy shop, ice cream parlor, and diner served as the setting for one of TV's most controversial series finales.

This unassuming retro burger joint was billed as “diner of the future” at the 1939 World's Fair.

A large sculptural artwork and garden in Escondido, California.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

Explore the wide world of desert plants at this unique Palm Springs botanical garden.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

Explore more than 130,000 new and used books in the "world's largest outdoor bookstore."

This building at the south end of the boardwalk was once home to the U.S. Life-Saving Service and the U.S. Coast Guard before being rescued itself.

The elevator hidden in a smokestack on Roosevelt's yacht now serves as a monument to the former president.

This one-room schoolhouse played a significant role in the education of Black children for almost 100 years.

This 1830s store is believed to be the site of Harriet Tubman's first stand.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

Barcelona's only remaining tram system takes riders to the Tibidabo funicular.

An early 20th-century bullring converted into a modern shopping center.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.