North America's largest accredited model railroad museum.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

Inside this museum, the history of the Walt Disney Family empire is on full display.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

An artsy hidden staircase leads to breathtaking views of San Francisco.

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

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

The blinking light atop the iconic landmark has been sending secret messages for decades.

The final resting place of a space program monolith.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Before Nixon, "watergate" meant canals.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Claude Monet was baptized in this lavishly ornate Paris church.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

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

What happens when a sculptor has to find a way around a 100-year-old copyright.

A pixel art killer whale is frozen mid-leap in this Vancouver square.

With its vaulted ceiling and gilded details, this University of Washington library would feel right at home inside an old palace.

The first park built over a freeway is a brutalist masterwork.