An ancient octagonal weather station named for the eight Greek gods of wind.

Bolivia's needle-like rock formations.

A valley of unique erosion patterns lends to a view like nothing on Earth.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

A seemingly endless landscape of pure salt stretches far across Bolivia.

This unassuming North Austin neighborhood was built to test the novel idea of home air conditioning.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

An ancient cemetery with some historic bodies underfoot.

To avoid the demolition costs this abandoned drawbridge was simply left in the up position.

Final resting place of one of the classic authors of horror literature.

The first ever diner included on the National Register of Historic Places is famous for its custard French toast.

An abandoned company town and cement factory outside of Bogotá, now haunted by ghosts and scofflaws.

Every Sunday, Bogotá turns 75 miles of its city streets into a bicycle superhighway.

This collection of ancient, mountaintop, underground tombs was once hidden by decades of bloodshed.

Towering high above the neighborhood of La Candelaria, the church is easily recognizable by its distinctive red-and-white striped facade.

Only gap in the 30,000-mile span of roads called the Pan-American Highway.

Storied crypts fill the most famous cemetery in Colombia.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

Unparalleled stargazing, one of Colombia's best observatories, and a swimming pool can all be found in the middle of this ancient tropical forest.

Colorful lights and mirror-like brine pools create trippy illusions within the historic mine.

The Andean town where every single building is decorated with a brightly colored frieze.

A dangling church built over a Colombian gorge.

This picturesque mansion has gone from opulent ruin to nature museum.