The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

This historic hotel invented the chocolate brownie.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A speakeasy takes on Chicago's drinking culture.

66,000 pieces of art, donated by one of the world's richest men.

A beautiful riverside mansion where the intellectual life of early-20th-century Argentina flourished.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

A tower devoted to — and modeled after — the Divine Comedy.

Two thousand artifacts from around the world collected by one woman who loved to travel.

An enormous, inside-out glass globe built in 1935.

The earliest known map to show America, discovered by accident at a Paris bookshop.

An eerie collection of the surviving structures from a past celebration of the future.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

Mountain where Jesus was first tempted by the Devil.

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

A beautiful but toxic fountain of mercury.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

Part bookstore, part café, and part forest.