In 1912, a broken section of the reservoir wall released millions of gallons of water and destroyed many homes downhill.

Fuel your honky-tonking with this venue's unbeatable “Recession Special.”

Sip mead from an East Nashville apiary while snacking on barbacoa tacos.

More than 200 unconventional musical instruments that anyone can play.

The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

A tunnel with windows, so you don't miss out on the impressive views.

Visitors to this library are in for a real-world education in modernist architecture.

The fifth-longest natural arch in the world, and the longest outside China.

Despite its name, this route in southern Utah offers a heavenly day trip.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

This cafe offers a curated collection of treats and tipples made by monks and nuns.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

World-famous, Pink's still manages to keep its prized cult fetish status.

World's largest collection of serial killer artwork and other macabre exhibits.

An architect's childhood fantasy treehouse made real.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.