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

One of few lasting examples of the brief octagon craze that developed into folly.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

A 300-ship graveyard, with a few still visible at low tide.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.

A museum in rural Utah documents the history of the Japanese Americans who were forcibly relocated there.

A hidden gem, named after a San Franciscan icon, offers spectacular views of the Pacific Ocean.

One of the smallest parks in San Francisco honors the legacy of the "Mother of Civil Rights in California."

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

The oldest alley in San Francisco is paved with a reminder of the city's original shoreline.

Built in 1906, this unique building was the first Hindu temple in the United States.

This tall and trim architectural oddity is one of the skinniest buildings in San Francisco.

The largest whiskey stash on the West Coast survived the 1906 fires--but not without heroic effort.

Early prototype for Frank Lloyd Wright's Guggenheim.

A monument to the love people have for their pets.

California's most comprehensive horticultural library.