Crossing this suspension bridge feels like walking through the sky, a fitting tribute to the head of the Apollo program.

This Nigerian nature reserve is home to the longest canopy walkway in Africa.

This series of rope-style bridges brings visitors into a jungle layer that is usually reserved for birds and monkeys.

Albuquerque found the perfect use for tumbleweeds at Christmastime.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

This park in Nagarkot boasts one of the best views in all of Nepal.

Curios, scientific antiques, oddities for sale.

While comics are the main attraction at this megastore, the second floor plays host to an exhibit fit for a museum.

This Chinese-style quartz sundial was saved in its final hour.

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

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

The oldest operating cemetery in Denver is the eternal home of some of the Centennial State's most famous residents.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

In a small Japanese garden off a busy Denver street, a memorial to a brave, principled politician.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

148 feet long and in the middle of a verdant forest.

This ''hidden'' 19th-century bridge played a simple, yet important role during the Spanish-American War.

This 20th-century mansion plays a key role in one of Puerto Rico's greatest novels.

These red and black houses were awarded to the firefighters who saved their city from an enormous blaze.

Invading U.S. troops were first seen from this now-abandoned tower, leading to the Spanish-American War.

This nearly abandoned "company town" is a ghost of Puerto Rico's once-lucrative sugar industry.

Puerto Rico's oldest rum producer started its 140-year-old business with "a little barrel."

This giant bronze image of Christopher Columbus embarked on a voyage of its own.

A magnificent waterfall nestled in the heart of the El Yunque National Forest.