Three hundred years of preserved Spanish colonial history in San Antonio.

The summer home of the largest colony of bats in the world.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

This remote location of this Moorish stronghold means it doesn’t attract many tourists—and that it still has the aura of fear and bravery of the 1300s.

A small island with shimmering pink sands, home to loggerhead turtles and rare plants.

Every spring, locals see the shadowy figures of a ghost army of slain Greek soldiers descend upon this ruined fort.

A natural wonder in south Denmark.

Get up close with some alligators at this roadside farm attraction.

Visit these gentle, bell-bottomed, exquisite equines at the home of North America's first Gypsy Vanner horses.

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.

Where manatees are the snowbird vacationers in these balmy Florida springs.

The southernmost Anglican cathedral in the world has whale bones standing in its yard.

An ever-growing field of footwear invites legends and more shoes.

One of the most remote lodges in the Amazon offers rare wildlife encounters and undisturbed views of the Peruvian rainforest.

This remote stretch of sand is a penguin lover's paradise.

A resilient tree that has survived for more than 700 years in Guánica Dry Forest.

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

This beachside town is home to a diverse nature reserve, multiple cays, and one of the three bioluminescent bays in Puerto Rico.

This beach pool offers a spectacle of crashing waves, blue hues, and a historical lighthouse.

This lake’s emerald green waters are a spectacular sight, but it’s not a great place for a swim.

Bad farming practices caused this unnatural natural wonder.

Enjoy the waters of this half-moon-shaped natural pool surrounded by breathtaking scenery.