A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

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

A marvel of Byzantine engineering under the streets of Istanbul.

The legendary luxury train passage is commemorated with a charming museum inside its former eastern terminus.

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

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

An office built to look like a giant basket.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The final resting place of soldiers' loyal canine companions.

A six-ton wedding present for the King of the Scots.

The most loyal of little dogs, or a Victorian era publicity stunt?

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

It houses the remains of a 17th-century version of the Titanic.

The only museum with its curator—and her pets—buried inside.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Five candy-colored villages on the Italian Riviera.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.