Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

The world's largest wooden structure.

The final resting place of the great navigator, or maybe his brother.

Its appearance in "Game of Thrones" may spur on the long-awaited restoration of this medieval shipyard.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

This massive subterranean fissure is known as the "underground Grand Canyon."

A collection of haunted objects and macabre oddities under one roof.

Elevated freight railway turned wildly successful urban park.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

This old-fashioned carhop restaurant gave the world the waffle cone.

One tiny triangular park commemorates the victims of a yellow fever epidemic—many of whom are buried right below the grass.

A cement mixer-turned-kaleidoscope in downtown Norfolk offers different views of the city.

The plants form a living library and laboratory for researchers and students at Michigan State University.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

The world’s largest Masonic temple was saved by the White Stripes.

This sprawling bookstore spans four floors and has more than a million books in stock.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

King Ludwig I's collection of beautiful women.

Time travel with sweets across history at this research-based candy store.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

This magnificent museum claims to house the cranium of a disciple and the skull of a pope.

An angular maze of concrete in Grand Rapids acts both as public art and as a staircase for fish traveling upstream.