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

A blacklight journey through a celestial art exhibit.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

A multi-storied adobe complex has been inhabited for more than a thousand years.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

This popular pitstop lives up to its name.

Home to New Mexico's longest bar, this watering hole also has a mining museum and a haunted history.

This is one really big nut.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

Mobsters came for a soak in the hot springs, and stayed for the illegal gambling and bootlegging.

This Arkansas town is known for its gangster history, its healing waters, and now its brews.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

Peruse produce from Senegal, Cameroon, and other West African nations at this sprawling market.

Sip a cappuccino in the historic cafe that introduced them to the United States.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

A memorial to the monk who set himself on fire to protest the persecution of Buddhists in Vietnam.

The oldest colonial fortress in the Americas was once the home and later prison of Christopher Columbus.

Have tea in a cemetery with a dazzling view of Istanbul.

A marvel of Byzantine engineering under the streets of Istanbul.

Eat the ultimate iteration of Portugal's most beloved pastry.

Sample sweets at an Art Nouveau candy shop that's been in business since 1874.