This rare wildlife haven in Singapore feels like you're in the tropical rainforest.

Watch butterflies take flight before you fly.

This sacred enclave was once considered the religious center of Eastern Polynesia.

Site of James Cook's historic observations of the 1769 transit of Venus.

Considered by many to be one of the most dangerous highways in Alaska.

A quirky roadside sign was the subject of a years-long legal standoff over highway right-of-way clearances. 

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

How would you like to dine in the same room where some of the Titanic's victims were embalmed?

The first transatlantic wireless signal was received at this 17th-century fort.

This historic lighthouse has been reincarnated as the perfect picnic place.

A museum dedicated to the alleged Roswell Incident.

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

See massive fossils that are over 200 million years old in northeastern Arizona.

This rusted car found in Petrified Forest National Park's Route 66 exhibit may be the most photographed abandoned car in the country.

This popular pitstop lives up to its name.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

This unusually circular centenarian barn became a Route 66 icon.

Come for the fried chicken, stay for the history at Oklahoma's oldest bar.

An indoor botanical garden for tropical plants looks like a giant cylinder lying on its side.

This giant mimetic milk bottle has encouraged Route 66 travelers to choose dairy since 1948.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

The largest cattle market on earth holds live auctions open to the public every week.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.