The only surviving fragment of the lost Narragansett Pier Casino.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

The ancient latrines of the Greeks, in all their public glory.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

A charming beach town in Turkey captures all the colors of the rainbow.

1513 Turkish world map, full of European state secrets and snarky commentary.

Turkish adventurer antiques in the heart of the Grand Bazaar.

Roman ruins top white travertine terraces formed by ancient hot springs.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

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

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A marvel of Byzantine engineering under the streets of Istanbul.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

A Wes Anderson-esque lighthouse that boasts magnificent coastal views.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

Cairns built to bring travelers good luck stretch across the land like miniature stone mountains.

These enlarged egg sculptures represent the native birds of eastern Iceland.