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

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

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

Eat your way through history.

One of the newest mosques in a city filled with thousands.

This historic hotel preserves many treasures from its heyday hosting passengers on the Orient Express.

A 25,000-square-foot display with dozens of model trains in intricate miniature worlds.

Rare recess caves fill this unbelievably beautiful Ohio park.

This basilica is dedicated to two saints, one of which is known more for his famous quote.

The Grand Lodge of Ireland is one of the oldest in the world, full of fantastical, elaborately themed rooms.

Known as the Sistine Chapel of Egypt, this tomb houses some of the most well-preserved paintings in Egypt.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

The ruins of a monastery that dates to the 7th century.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

Liechtenstein's royal family calls this medieval alpine castle home.

Study the Alien etchings in this fountain while you refill your water bottle.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

These fossilized remains of an ancient saber-toothed cat inspired the mascot of Nashville's NHL team.

The alley connecting two of country music’s most historic venues has a rich history of its own.

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

This replica of the Greek structure is in the heart of Nashville.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This historic timepiece was a popular meeting place for romantic rendezvous in the 1960s.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.