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

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

The eccentric and colorful pavilions of Tower Grove park are a beloved and overlooked symbol. 

The oldest soda fountain in St. Louis has been serving up treats for more than a century.

One of the world's earliest skyscrapers.

One man's unrequited love stands in a glass box forever.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

This 1960s kinetic artwork has been restored and is once again whirling away in downtown Minneapolis.

The only arched bridge made of stone on the entire Mississippi River.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

A colorful square marks the heart of the city's LGBTQ community.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

Mai Tais and Navy Grog served up in one of the original tiki bars.

Remembering the Alamo with a full-scale replica of the 1836 city.

A memorial dedicated to the Tejano superstar Selena Quintanilla-Pérez.

This private mansion turned Catholic bishop’s home is an iconic Galveston building.

At Houston’s longest-running restaurant, find a classic oyster stew beloved by a former U.S. President.

At this rural museum, visitors can experience "Boomtown U.S.A.," a lifelike re-creation of an oil boomtown in the 1930s.

The biggest drug trafficking passage between Mexico and the U.S.

The home of a former Minor League baseball team that beat Joe DiMaggio's New York Yankees in 1949.

This strategically-placed fountain creates the magnificent illusion of mustangs galloping across a river.

Some of the best pastries in "the Czech heritage capital of Texas" come from a gas station off I-35.

This big empty pig is a nostalgic throwback to mid-20th-century Texas barbecue.

A tiny waterway named after a ghost story.