This hilltop fort is a dark holdover from one of Latin America's bloodiest dictatorships.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Only hotel where you can legally launder money.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A winding path built in secret on the edge of the continent.

This garden is dedicated to a Portland cartoonist who specialized in dark humor.

Portlandia is the second-largest copper repoussé statue in the United States.

A sculpture of a salmon swimming through a brick building.

10,000 flowered plants bloom in the City of Roses.

The magic's in the hole!

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

A MiG-17 fighter jet sits atop this memorial to the indiscriminate bombardment of Hargeisa.

This cave located in the badlands of Somaliland contains some of the oldest cave art in Africa.

The tallest building in the Republic of the Congo is a source of pride despite its towering maintenance costs.

Mount Nyiragongo has erupted at least 34 times since 1882 and is home to the world's largest lava lake.