Thousands of rusting train cars have been slowly falling apart on the edge of Greece's second largest city.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

There’s a hidden military meme engraved on the World War II Memorial.

This building’s ghostly exterior reflects its former lives as a prison, school, and funeral home.

Along the most northwestern point in Africa is an ancient cave surrounded by legends.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

A pyramidal marker where the borders of Venezuela, Brazil, and Guyana meet on top of Mount Roraima.

Psychedelic murals coat the inside of a nondescript research library.

An ingenious solution to a tricky engineering problem, this spiraling bridge takes drivers for a dizzying spin.

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.

This colonial fort is an intriguing example of Renaissance military architecture.

A colorful "forest" made entirely from three tons of recycled plastic waste.

Twelve hundred stone carvings guard this off-the-beaten-path Buddhist temple.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

An architectural oddity of six stories, accessed by graceful ramps.

The labyrinthine home of the National Archives of Estonia is an experimental blend of architecture, art, and history.

Vaucanson's most famous automaton, brought back to life.

A rare octagonal brick beacon on an isolated island in the Baltic.

The unusual stilted beacon is the town's only active lighthouse.

One of only two pod-shaped homes designed by Frank Lloyd Wright.

An aeronautical-themed resort forged around rusty relics from the golden age of air travel.

This ancient hydrological marvel is now the base of a modern outdoor cinema.

A cozy bookstore is tucked within an old gold mine shaft beneath the cafe and ice cream shop.