An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A beach made of semi-precious green sand on the Big Island of Hawaiʻi.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

This black shoreline is made up of exploded lava particles.

This picturesque Umbrian city has a subterranean side that has long remained hidden.

These azure waters were thought to lead to the Mayan Underworld.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

A museum and doll store featuring a surreal and super sanitized version of where babies come from.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

Tour the sci-fi-esque reality of governmental disease management.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

This lovely burial mound is actually a replica that was installed after archeologists excavated the original.

After just one epic test blast, this literal loose cannon proved too explosive for combat.

A white oak with property rights.

Secret gardens just a few miles from downtown Atlanta.

Developers built a Walmart around one family's plot and constructed a mausoleum in the parking lot.

Bad farming practices caused this unnatural natural wonder.

This stone is a marker of one millionaire's personal vendetta against gravity.

This expansive bridge in the Canadian wilderness was originally just built for friends.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.