View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

A meow-velous tribute to a beloved street cat, made famous on the internet.

This column celebrates Rome's victory over the Goths, and may be the oldest Roman monument in Istanbul.

An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

The world's only full-size replica of the research hut used by Douglas Mawson for his 1911-14 Australasian Antarctic Expedition.

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.

A marvel of Byzantine engineering under the streets of Istanbul.

This crucial gathering spot along the "hippie trail" still displays old notes between traveling beatniks and backpackers.

A fountain standing as a testament to a doomed alliance.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Ancient serpentine sacrifice holder that has stood the test of time.

A tiny park in the middle of some big power politics.

A sixth-century Byzantine cistern hidden below a modern carpet store.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

A huge museum of much more than just agriculture displayed in a princess's palace.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

The highway's southernmost spot is a beloved local attraction.

Every year, a Louisiana town remembers a brief Civil War truce inspired by Masonic brotherhood.

A mysterious find dredged from Louisiana waters.

The LSU mascot lived on the college campus in one of the most impressive tiger habitats in the country.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

A striking lighthouse with views of the Gulf of Mexico and of a military air show.

This now-deactivated naval base defended the Florida coast for centuries.

The Gulf’s longest fishing pier is a year-round paradise for catch-and-release whoppers.