A curious collection of miniatures in a quiet corner of the Chicago Children's Museum.

This bullring in Lima is the oldest in the Americas and the second-oldest in the world.

It took 82 years and four different plaques to finally get the story right.

The Incas turned this ancient Wari aqueduct into an imposing defensive gate.

A colorful square marks the heart of the city's LGBTQ community.

An oddities shop packed with twisted treasures inspired by Oscar Wilde and Edgar Allan Poe.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

A prized globe signed by Amelia Earhart and Charles Lindbergh sits in the Brooklyn office of the American Geographical Society.

Forgotten under the construction of a new urban roadway is a small, abandoned part of town.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

The largest library in Latin America owes its existence to an Old World earthquake and a Napoleonic invasion.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

Eerie ruins of an abandoned medieval fishing village crumble atop an unforgiving stretch of earth.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

Dark, eerie exhibits make for a surreal exploration of the subconscious.

A rare tour of an aristocrat's private home reveals valuable 17th-century paintings from artists like Rembrandt.

A monument to the conquistador became increasingly controversial in the very city that he founded.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

The classic Atari game's iconic aliens have invaded downtown San Diego.