A open air theatre built on a cliff by an eccentric British woman.

400-year-old garden, restored to beauty.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

This medieval city gate is now a blend of the past and the modern world.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

The intricate geometry inside this Baroque-style dome was designed to create "terror of the human soul."

The lost Latin words were reconstructed using the holes from the nails that once pinned them in place.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

One of Antoni Gaudí's least-visited works, an homage to Catalan patrimony that mixes neo-Gothic with Modernista forms.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

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

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

A wonderfully curated used bookstore in an airport.

First planned industrial community in the United States.

A four paneled, brightly multicolored mosaic adorns the side of this popular grocery store.

The United States' first transcontinental automobile road came to its end at this spot in San Francisco's Lincoln Park.

The legendary statue-hating superintendent of Golden Gate Park is honored with... a statue.

A former hardware store near Yerba Buena is the official home of California's history.

This museum explores the history of the book, from scrolls to mass-produced objects through tools, stories, and massive cast-iron binding machinery (some of it operational).

Fonts are born and bred here at the oldest letterpress type foundry in the United States.

A wonderful display of arts and crafts handmade by local artisans in the Southern Appalachians.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

Radical Bookstore and Community Space.