The world's largest wooden structure.

The final resting place of the great navigator, or maybe his brother.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

A bookstore dedicated to the intersection of comedy and art.

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

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

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

Railroad officials in the early 1900s sought to spare travelers the sight of Roman soldiers’ private parts.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

These two monoliths have stood at the entrance to the neighborhood since the days it was called "Hollywoodland."

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

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

For roadside fast food, pull over at the giant orange.

Bits and pieces from the ill-fated Donner Party's winter cabins.

An institution that preserves the history of institutionalization.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

The world's largest egg has been cracked a number of times over the years but has been repeatedly replaced.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

The legendary building that needed ghostly approval before being built.

Historic funicular railway, believed to be the shortest railroad in the world.