Made famous by 'Star Wars,' these troglodyte homes face an uncertain future.

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

An abandoned film set location for a remote spaceport in a galaxy far, far away hides in the Tunisian desert.

An eerie natural formation that looks right back at you.

One of Africa's windiest and most scenic roads is a national symbol of Angola.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

Thousands of years ago, Indigenous people painted images onto these canyon walls that are still on display today, provocative, mysterious, and enduring reminders of the people who lived here long ago.

These tall, red sandstone pinnacles outside Moab are often forgotten amid their more famous neighbors.

A massive sea stack famous for its appearance in The Goonies.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

This monument is dedicated to Balto, the heroic Alaskan sled dog.

The first miniatures museum in Asia contains all sorts of itsy-bitsy wonders, including the world's smallest working television.

These charming mailboxes became social media stars after a typhoon failed to topple them.

A 17th-century mosque that was used for war more than worship.

These stairs were built to accommodate royals mounted on elephants.

Try not to get slimed in Tribeca.

Padre Delgado, a leader in the fight for Salvadoran independence, is buried in this stunning Brutalist cathedral.

A crumbling cathedral condemned by an earthquake.

Over 4,700 miles of trees being planted to hold back the desert.

There aren't too many operational funiculars around, but Pittsburgh has two!

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

A sprawling outdoor museum filled with larger-than-life works of art.

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