This site honors the end of a 100-year boundary dispute between the United States and Mexico—all started by a river's shifting course.

Watch the newest land on the planet form before your eyes.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

This legendary urban waterfall creates a dazzling display of rainbows.

Babe Ruth and others planted saplings for a 1930s tourism campaign. The saplings grew as the area faded.

One of El Paso's oldest dives may have inspired the classic Marty Robbins song.

An enormous illuminated figure dances on the Las Vegas strip.

The most extravagant car collection features a Batmobile, Liberace's mirror ball-ed Rolls Royce, and a stunt car from 'The Fast and the Furious.'

These markers are used to determine the ground stability of the Strip.

The largest recovered section of Titanic sits in a hotel in Las Vegas.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

A surreal, interdimensional shopping center and portal to another universe by Meow Wolf.

This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

A unique shopping and dining park created from old shipping containers and filled with local businesses.

This museum dedicated to an oft-overlooked support industry features a surprisingly moving brass diorama of a man being saved from a sinking car.

Stroll among more than 50 large-scale sculptures created by world-class artists.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Live long and prosper in Tennessee.

This historic train station has been converted to a locomotive themed hotel.

This beloved American snack was conceived by a hungry coal miner.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

Follow the steps, and this roadside artwork will teach you how to dance.

This museum offers an actual time machine back through Colorado's past.