This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

A free, canine-friendly alternative watering hole near the more famous Barton Springs.

Abandoned railroad tunnel is home to a colony of three million Mexican free-tail bats.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

An immense cave that has served as an outlaw's treasure trove, an underground dance hall, a nuclear fallout shelter, and much more.

This soda factory is one of the last in America to use real cane sugar despite the protestations of Dr Pepper.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

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

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

A symbol of Texas pride.

A city park that sits on top of a freeway.

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

A Texas museum filled with Broncos and Betties.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

Copenhagen's "other" little mermaid marks the historic location of past sea maid sightings.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

This one-time health resort was used by aristocrats around the world.

Longest fortress system anywhere in Europe.

Bridge that died in war and was resurected.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.